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52881601 = 163324427
BaseRepresentation
bin1100100110111…
…0100011000001
310200111122220211
43021232203001
5102014202401
65125234121
71211325523
oct311564301
9120448824
1052881601
1127939803
1215862941
13ac56bb6
147047a13
154998951
hex326e8c1

52881601 has 4 divisors (see below), whose sum is σ = 53206192. Its totient is φ = 52557012.

The previous prime is 52881599. The next prime is 52881607. The reversal of 52881601 is 10618825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52881601 - 21 = 52881599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52881607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162051 + ... + 162376.

It is an arithmetic number, because the mean of its divisors is an integer number (13301548).

Almost surely, 252881601 is an apocalyptic number.

It is an amenable number.

52881601 is a deficient number, since it is larger than the sum of its proper divisors (324591).

52881601 is a wasteful number, since it uses less digits than its factorization.

52881601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324590.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 52881601 is about 7271.9736660689. The cubic root of 52881601 is about 375.3486558852.

It can be divided in two parts, 5288 and 1601, that added together give a square (6889 = 832).

The spelling of 52881601 in words is "fifty-two million, eight hundred eighty-one thousand, six hundred one".

Divisors: 1 163 324427 52881601