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52957399 = 115698461
BaseRepresentation
bin1100101000000…
…1000011010111
310200122111220011
43022001003113
5102024114044
65131021051
71212062515
oct312010327
9120574804
1052957399
1127990750
121589a787
13ac82551
1470674b5
1549b1134
hex32810d7

52957399 has 8 divisors (see below), whose sum is σ = 57880080. Its totient is φ = 48052800.

The previous prime is 52957357. The next prime is 52957423. The reversal of 52957399 is 99375925.

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 52957399 - 27 = 52957271 is a prime.

It is a super-2 number, since 2×529573992 = 5608972217690402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52957309) 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, 2029 + ... + 10489.

It is an arithmetic number, because the mean of its divisors is an integer number (7235010).

Almost surely, 252957399 is an apocalyptic number.

52957399 is a deficient number, since it is larger than the sum of its proper divisors (4922681).

52957399 is a wasteful number, since it uses less digits than its factorization.

52957399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9041.

The product of its digits is 765450, while the sum is 49.

The square root of 52957399 is about 7277.1834524079. The cubic root of 52957399 is about 375.5279059735.

The spelling of 52957399 in words is "fifty-two million, nine hundred fifty-seven thousand, three hundred ninety-nine".

Divisors: 1 11 569 6259 8461 93071 4814309 52957399