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51896325 = 352131731101
BaseRepresentation
bin1100010111111…
…0000000000101
310121122121101010
43011332000011
5101241140300
65052152433
71200053145
oct305760005
9117577333
1051896325
1127326528
1215468719
13a9a05b0
146c6c925
154851a50
hex317e005

51896325 has 96 divisors (see below), whose sum is σ = 101993472. Its totient is φ = 23040000.

The previous prime is 51896269. The next prime is 51896329. The reversal of 51896325 is 52369815.

51896325 = 4032 + 4042 + ... + 6042.

It is not a de Polignac number, because 51896325 - 27 = 51896197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51896329) 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 95 ways as a sum of consecutive naturals, for example, 513775 + ... + 513875.

It is an arithmetic number, because the mean of its divisors is an integer number (1062432).

Almost surely, 251896325 is an apocalyptic number.

It is an amenable number.

51896325 is a deficient number, since it is larger than the sum of its proper divisors (50097147).

51896325 is a wasteful number, since it uses less digits than its factorization.

51896325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 170 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 51896325 is about 7203.9103964444. The cubic root of 51896325 is about 373.0028941741.

The spelling of 51896325 in words is "fifty-one million, eight hundred ninety-six thousand, three hundred twenty-five".

Divisors: 1 3 5 13 15 17 25 31 39 51 65 75 85 93 101 155 195 221 255 303 325 403 425 465 505 527 663 775 975 1105 1209 1275 1313 1515 1581 1717 2015 2325 2525 2635 3131 3315 3939 5151 5525 6045 6565 6851 7575 7905 8585 9393 10075 13175 15655 16575 19695 20553 22321 25755 30225 32825 34255 39525 40703 42925 46965 53227 66963 78275 98475 102765 111605 122109 128775 159681 171275 203515 234825 266135 334815 513825 558025 610545 691951 798405 1017575 1330675 1674075 2075853 3052725 3459755 3992025 10379265 17298775 51896325