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51913092 = 223711192957
BaseRepresentation
bin1100011000001…
…0000110000100
310121200110101010
43012002012010
5101242204332
65052402220
71200153060
oct306020604
9117613333
1051913092
1127338090
1215476370
13a9a810a
146c74aa0
1548569cc
hex3182184

51913092 has 96 divisors (see below), whose sum is σ = 159022080. Its totient is φ = 12769920.

The previous prime is 51913079. The next prime is 51913117. The reversal of 51913092 is 29031915.

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, 16078 + ... + 19034.

It is an arithmetic number, because the mean of its divisors is an integer number (1656480).

Almost surely, 251913092 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 51913092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79511040).

51913092 is an abundant number, since it is smaller than the sum of its proper divisors (107108988).

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

51913092 is a wasteful number, since it uses less digits than its factorization.

51913092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001 (or 2999 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 51913092 is about 7205.0740454210. The cubic root of 51913092 is about 373.0430605770.

The spelling of 51913092 in words is "fifty-one million, nine hundred thirteen thousand, ninety-two".

Divisors: 1 2 3 4 6 7 11 12 14 19 21 22 28 33 38 42 44 57 66 76 77 84 114 132 133 154 209 228 231 266 308 399 418 462 532 627 798 836 924 1254 1463 1596 2508 2926 2957 4389 5852 5914 8778 8871 11828 17556 17742 20699 32527 35484 41398 56183 62097 65054 82796 97581 112366 124194 130108 168549 195162 224732 227689 248388 337098 390324 393281 455378 618013 674196 683067 786562 910756 1179843 1236026 1366134 1573124 1854039 2359686 2472052 2732268 3708078 4326091 4719372 7416156 8652182 12978273 17304364 25956546 51913092