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51928296 = 23372389151
BaseRepresentation
bin1100011000010…
…1110011101000
310121201020020020
43012011303220
5101243201141
65053000440
71200245310
oct306056350
9117636206
1051928296
1127348552
1215483120
13a9b2004
146c7a440
15485b266
hex3185ce8

51928296 has 128 divisors (see below), whose sum is σ = 157593600. Its totient is φ = 13939200.

The previous prime is 51928267. The next prime is 51928301. The reversal of 51928296 is 69282915.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 343821 + ... + 343971.

It is an arithmetic number, because the mean of its divisors is an integer number (1231200).

Almost surely, 251928296 is an apocalyptic number.

51928296 is a gapful number since it is divisible by the number (56) 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 51928296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78796800).

51928296 is an abundant number, since it is smaller than the sum of its proper divisors (105665304).

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

51928296 is a wasteful number, since it uses less digits than its factorization.

51928296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 275 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 51928296 is about 7206.1290579617. The cubic root of 51928296 is about 373.0794752389.

The spelling of 51928296 in words is "fifty-one million, nine hundred twenty-eight thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 23 24 28 42 46 56 69 84 89 92 138 151 161 168 178 184 267 276 302 322 356 453 483 534 552 604 623 644 712 906 966 1057 1068 1208 1246 1288 1812 1869 1932 2047 2114 2136 2492 3171 3473 3624 3738 3864 4094 4228 4984 6141 6342 6946 7476 8188 8456 10419 12282 12684 13439 13892 14329 14952 16376 20838 24311 24564 25368 26878 27784 28658 40317 41676 42987 48622 49128 53756 57316 72933 80634 83352 85974 94073 97244 107512 114632 145866 161268 171948 188146 194488 282219 291732 309097 322536 343896 376292 564438 583464 618194 752584 927291 1128876 1236388 1854582 2163679 2257752 2472776 3709164 4327358 6491037 7418328 8654716 12982074 17309432 25964148 51928296