Search a number
-
+
51104456 = 23133831283
BaseRepresentation
bin1100001011110…
…0101011001000
310120011101010122
43002330223020
5101040320311
65023202412
71160244404
oct302745310
9116141118
1051104456
1126935597
1215146408
13a784030
146b04104
1547470db
hex30bcac8

51104456 has 32 divisors (see below), whose sum is σ = 103541760. Its totient is φ = 23506752.

The previous prime is 51104447. The next prime is 51104477. The reversal of 51104456 is 65440115.

It is a super-2 number, since 2×511044562 = 5223330846111872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39191 + ... + 40473.

It is an arithmetic number, because the mean of its divisors is an integer number (3235680).

Almost surely, 251104456 is an apocalyptic number.

It is an amenable number.

51104456 is an abundant number, since it is smaller than the sum of its proper divisors (52437304).

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

51104456 is a wasteful number, since it uses less digits than its factorization.

51104456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 51104456 is about 7148.7380704569. The cubic root of 51104456 is about 371.0959858006.

The spelling of 51104456 in words is "fifty-one million, one hundred four thousand, four hundred fifty-six".

Divisors: 1 2 4 8 13 26 52 104 383 766 1283 1532 2566 3064 4979 5132 9958 10264 16679 19916 33358 39832 66716 133432 491389 982778 1965556 3931112 6388057 12776114 25552228 51104456