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53152838 = 261435679
BaseRepresentation
bin1100101011000…
…0110001000110
310201000102222122
43022300301012
5102101342323
65135125542
71213535354
oct312606106
9121012878
1053152838
1128004572
12159738b2
13b0204ab
1470b87d4
1549edec8
hex32b0c46

53152838 has 8 divisors (see below), whose sum is σ = 81036480. Its totient is φ = 26140680.

The previous prime is 53152811. The next prime is 53152871. The reversal of 53152838 is 83825135.

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

It is a junction number, because it is equal to n+sod(n) for n = 53152798 and 53152807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217718 + ... + 217961.

It is an arithmetic number, because the mean of its divisors is an integer number (10129560).

Almost surely, 253152838 is an apocalyptic number.

53152838 is a deficient number, since it is larger than the sum of its proper divisors (27883642).

53152838 is a wasteful number, since it uses less digits than its factorization.

53152838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435742.

The product of its digits is 28800, while the sum is 35.

The square root of 53152838 is about 7290.5992894960. The cubic root of 53152838 is about 375.9893000954.

The spelling of 53152838 in words is "fifty-three million, one hundred fifty-two thousand, eight hundred thirty-eight".

Divisors: 1 2 61 122 435679 871358 26576419 53152838