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51133054 = 273652361
BaseRepresentation
bin1100001100001…
…1101001111110
310120012211100211
43003003221332
5101042224204
65023543034
71160423650
oct303035176
9116184324
1051133054
1126955025
121515aa7a
13a79405b
146b106d0
154750804
hex30c3a7e

51133054 has 8 divisors (see below), whose sum is σ = 87656688. Its totient is φ = 21914160.

The previous prime is 51133031. The next prime is 51133087. The reversal of 51133054 is 45033115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×511330542 = 5229178422733832, 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, 1826167 + ... + 1826194.

It is an arithmetic number, because the mean of its divisors is an integer number (10957086).

Almost surely, 251133054 is an apocalyptic number.

51133054 is a deficient number, since it is larger than the sum of its proper divisors (36523634).

51133054 is a wasteful number, since it uses less digits than its factorization.

51133054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652370.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51133054 is about 7150.7380038706. The cubic root of 51133054 is about 371.1651945340.

Adding to 51133054 its reverse (45033115), we get a palindrome (96166169).

The spelling of 51133054 in words is "fifty-one million, one hundred thirty-three thousand, fifty-four".

Divisors: 1 2 7 14 3652361 7304722 25566527 51133054