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753255380 = 225172194
BaseRepresentation
bin101100111001011…
…100001111010100
31221111101100010102
4230321130033110
53020313133010
6202424513232
724444364553
oct5471341724
91844340112
10753255380
11357213a09
1219031b818
13c0097457
147207bd9a
15461e1ba5
hex2ce5c3d4

753255380 has 90 divisors (see below), whose sum is σ = 1773711534. Its totient is φ = 268653312.

The previous prime is 753255379. The next prime is 753255409. The reversal of 753255380 is 83552357.

It can be written as a sum of positive squares in 3 ways, for example, as 252301456 + 500953924 = 15884^2 + 22382^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 39645011 + ... + 39645029.

Almost surely, 2753255380 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 753255380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886855767).

753255380 is an abundant number, since it is smaller than the sum of its proper divisors (1020456154).

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

753255380 is an equidigital number, since it uses as much as digits as its factorization.

753255380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 753255380 is about 27445.4983558324. The cubic root of 753255380 is about 909.8729364110.

The spelling of 753255380 in words is "seven hundred fifty-three million, two hundred fifty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 17 19 20 34 38 68 76 85 95 170 190 289 323 340 361 380 578 646 722 1156 1292 1444 1445 1615 1805 2890 3230 3610 5491 5780 6137 6460 6859 7220 10982 12274 13718 21964 24548 27436 27455 30685 34295 54910 61370 68590 104329 109820 116603 122740 130321 137180 208658 233206 260642 417316 466412 521284 521645 583015 651605 1043290 1166030 1303210 1982251 2086580 2215457 2332060 2606420 3964502 4430914 7929004 8861828 9911255 11077285 19822510 22154570 37662769 39645020 44309140 75325538 150651076 188313845 376627690 753255380