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52631305 = 547223963
BaseRepresentation
bin1100100011000…
…1011100001001
310200000221120121
43020301130021
5101433200210
65120023241
71206234016
oct310613411
9120027517
1052631305
1127788751
1215761b21
13ab99cac
146dc070d
1549496da
hex3231709

52631305 has 8 divisors (see below), whose sum is σ = 64501632. Its totient is φ = 41209008.

The previous prime is 52631261. The next prime is 52631339. The reversal of 52631305 is 50313625.

It is a happy number.

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 52631305 - 27 = 52631177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52631305.

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 7 ways as a sum of consecutive naturals, for example, 111747 + ... + 112216.

It is an arithmetic number, because the mean of its divisors is an integer number (8062704).

Almost surely, 252631305 is an apocalyptic number.

It is an amenable number.

52631305 is a deficient number, since it is larger than the sum of its proper divisors (11870327).

52631305 is a wasteful number, since it uses less digits than its factorization.

52631305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224015.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 52631305 is about 7254.7436205561. The cubic root of 52631305 is about 374.7555265812.

The spelling of 52631305 in words is "fifty-two million, six hundred thirty-one thousand, three hundred five".

Divisors: 1 5 47 235 223963 1119815 10526261 52631305