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51061056 = 2631913997
BaseRepresentation
bin1100001011001…
…0000101000000
310120002011121020
43002302011000
5101032423211
65022225440
71160004024
oct302620500
9116064536
1051061056
1126905a22
1215125280
13a76a357
146ad2384
154739306
hex30b2140

51061056 has 56 divisors (see below), whose sum is σ = 142219680. Its totient is φ = 16123392.

The previous prime is 51061051. The next prime is 51061057. The reversal of 51061056 is 65016015.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51061051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3351 + ... + 10646.

Almost surely, 251061056 is an apocalyptic number.

It is an amenable number.

51061056 is an abundant number, since it is smaller than the sum of its proper divisors (91158624).

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

51061056 is a wasteful number, since it uses less digits than its factorization.

51061056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14031 (or 14021 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 51061056 is about 7145.7019249336. The cubic root of 51061056 is about 370.9909060720.

The spelling of 51061056 in words is "fifty-one million, sixty-one thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 152 192 228 304 456 608 912 1216 1824 3648 13997 27994 41991 55988 83982 111976 167964 223952 265943 335928 447904 531886 671856 797829 895808 1063772 1343712 1595658 2127544 2687424 3191316 4255088 6382632 8510176 12765264 17020352 25530528 51061056