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51103488 = 28366541
BaseRepresentation
bin1100001011110…
…0011100000000
310120011022210210
43002330130000
5101040302423
65023154120
71160241522
oct302743400
9116138723
1051103488
1126934897
1215145940
13a783767
146b03a12
154746b93
hex30bc700

51103488 has 36 divisors (see below), whose sum is σ = 136011848. Its totient is φ = 17034240.

The previous prime is 51103477. The next prime is 51103517. The reversal of 51103488 is 88430115.

It is a super-2 number, since 2×511034882 = 5223132971532288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32503 + ... + 34038.

Almost surely, 251103488 is an apocalyptic number.

It is an amenable number.

51103488 is an abundant number, since it is smaller than the sum of its proper divisors (84908360).

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

51103488 is an equidigital number, since it uses as much as digits as its factorization.

51103488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66560 (or 66546 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 51103488 is about 7148.6703658792. The cubic root of 51103488 is about 371.0936427356.

The spelling of 51103488 in words is "fifty-one million, one hundred three thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 66541 133082 199623 266164 399246 532328 798492 1064656 1596984 2129312 3193968 4258624 6387936 8517248 12775872 17034496 25551744 51103488