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53151913 = 431279733
BaseRepresentation
bin1100101011000…
…0100010101001
310201000101201101
43022300202221
5102101330123
65135121401
71213532563
oct312604251
9121011641
1053151913
1128003901
1215973261
13b01cc49
1470b8333
1549edaad
hex32b08a9

53151913 has 8 divisors (see below), whose sum is σ = 54821888. Its totient is φ = 51501744.

The previous prime is 53151907. The next prime is 53151941. The reversal of 53151913 is 31915135.

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

It is a cyclic number.

It is not a de Polignac number, because 53151913 - 25 = 53151881 is a prime.

It is a super-3 number, since 3×531519133 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53151953) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 595 + ... + 10327.

It is an arithmetic number, because the mean of its divisors is an integer number (6852736).

Almost surely, 253151913 is an apocalyptic number.

It is an amenable number.

53151913 is a deficient number, since it is larger than the sum of its proper divisors (1669975).

53151913 is a wasteful number, since it uses less digits than its factorization.

53151913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9903.

The product of its digits is 2025, while the sum is 28.

The square root of 53151913 is about 7290.5358513624. The cubic root of 53151913 is about 375.9871190132.

The spelling of 53151913 in words is "fifty-three million, one hundred fifty-one thousand, nine hundred thirteen".

Divisors: 1 43 127 5461 9733 418519 1236091 53151913