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52143976 = 236517997
BaseRepresentation
bin1100011011101…
…0011101101000
310122010012002101
43012322131220
5101322101401
65101343144
71202134153
oct306723550
9118105071
1052143976
11274855a5
1215567ab4
13aa59231
146cd4c9a
1548a0101
hex31ba768

52143976 has 8 divisors (see below), whose sum is σ = 97769970. Its totient is φ = 26071984.

The previous prime is 52143937. The next prime is 52143991. The reversal of 52143976 is 67934125.

It can be written as a sum of positive squares in only one way, i.e., 50041476 + 2102500 = 7074^2 + 1450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258991 + ... + 3259006.

Almost surely, 252143976 is an apocalyptic number.

It is an amenable number.

52143976 is a deficient number, since it is larger than the sum of its proper divisors (45625994).

52143976 is a wasteful number, since it uses less digits than its factorization.

52143976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518003 (or 6517999 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 52143976 is about 7221.0785897953. The cubic root of 52143976 is about 373.5952803076.

The spelling of 52143976 in words is "fifty-two million, one hundred forty-three thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 6517997 13035994 26071988 52143976