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3430252240 = 245293789449
BaseRepresentation
bin1100110001110101…
…0111111011010000
322212001121212110021
43030131113323100
524011121032430
61324214113224
7151001443252
oct31435277320
98761555407
103430252240
111500319308
127b894b814
1342888886c
14247803cd2
1515123107a
hexcc757ed0

3430252240 has 160 divisors (see below), whose sum is σ = 8587620000. Its totient is φ = 1271660544.

The previous prime is 3430252171. The next prime is 3430252297. The reversal of 3430252240 is 422520343.

It can be written as a sum of positive squares in 16 ways, for example, as 368179344 + 3062072896 = 19188^2 + 55336^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7639536 + ... + 7639984.

It is an arithmetic number, because the mean of its divisors is an integer number (53672625).

Almost surely, 23430252240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3430252240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4293810000).

3430252240 is an abundant number, since it is smaller than the sum of its proper divisors (5157367760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3430252240 is a wasteful number, since it uses less digits than its factorization.

3430252240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3430252240 is about 58568.3552782559. The cubic root of 3430252240 is about 1508.1412504567.

Adding to 3430252240 its reverse (422520343), we get a palindrome (3852772583).

The spelling of 3430252240 in words is "three billion, four hundred thirty million, two hundred fifty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 29 37 40 58 74 80 89 116 145 148 178 185 232 290 296 356 370 445 449 464 580 592 712 740 890 898 1073 1160 1424 1480 1780 1796 2146 2245 2320 2581 2960 3293 3560 3592 4292 4490 5162 5365 6586 7120 7184 8584 8980 10324 10730 12905 13021 13172 16465 16613 17168 17960 20648 21460 25810 26042 26344 32930 33226 35920 39961 41296 42920 51620 52084 52688 65105 65860 66452 79922 83065 85840 95497 103240 104168 130210 131720 132904 159844 166130 190994 199805 206480 208336 260420 263440 265808 319688 332260 381988 399610 477485 481777 520840 639376 664520 763976 799220 954970 963554 1041680 1158869 1329040 1478557 1527952 1598440 1909940 1927108 2317738 2408885 2957114 3196880 3819880 3854216 4635476 4817770 5794345 5914228 7392785 7639760 7708432 9270952 9635540 11588690 11828456 14785570 18541904 19271080 23177380 23656912 29571140 38542160 42878153 46354760 59142280 85756306 92709520 118284560 171512612 214390765 343025224 428781530 686050448 857563060 1715126120 3430252240