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49325640 = 23357134517
BaseRepresentation
bin1011110000101…
…0011001001000
310102211000001120
42330022121020
5100111410030
64521115240
71136155350
oct274123110
9112730046
1049325640
11259300a1
1214628b20
13a2b0490
14679db60
1544e5010
hex2f0a648

49325640 has 128 divisors (see below), whose sum is σ = 182165760. Its totient is φ = 10404864.

The previous prime is 49325611. The next prime is 49325641. The reversal of 49325640 is 4652394.

It is a super-2 number, since 2×493256402 = 4866037522819200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49325641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8662 + ... + 13178.

It is an arithmetic number, because the mean of its divisors is an integer number (1423170).

Almost surely, 249325640 is an apocalyptic number.

49325640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49325640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91082880).

49325640 is an abundant number, since it is smaller than the sum of its proper divisors (132840120).

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

49325640 is a wasteful number, since it uses less digits than its factorization.

49325640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 49325640 is about 7023.2214830518. The cubic root of 49325640 is about 366.7394052204.

The spelling of 49325640 in words is "forty-nine million, three hundred twenty-five thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 52 56 60 65 70 78 84 91 104 105 120 130 140 156 168 182 195 210 260 273 280 312 364 390 420 455 520 546 728 780 840 910 1092 1365 1560 1820 2184 2730 3640 4517 5460 9034 10920 13551 18068 22585 27102 31619 36136 45170 54204 58721 63238 67755 90340 94857 108408 117442 126476 135510 158095 176163 180680 189714 234884 252952 271020 293605 316190 352326 379428 411047 469768 474285 542040 587210 632380 704652 758856 822094 880815 948570 1174420 1233141 1264760 1409304 1644188 1761630 1897140 2055235 2348840 2466282 3288376 3523260 3794280 4110470 4932564 6165705 7046520 8220940 9865128 12331410 16441880 24662820 49325640