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87053524 = 2221763381
BaseRepresentation
bin1010011000001…
…01010011010100
320001210202222121
411030011103110
5134241203044
612345505324
72104641235
oct514052324
9201722877
1087053524
1145159668
12251a2244
131505ca7c
14b7c108c
157998984
hex53054d4

87053524 has 6 divisors (see below), whose sum is σ = 152343674. Its totient is φ = 43526760.

The previous prime is 87053521. The next prime is 87053531. The reversal of 87053524 is 42535078.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87048900 + 4624 = 9330^2 + 68^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87053524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87053521) 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 as a sum of consecutive naturals, namely, 10881687 + ... + 10881694.

Almost surely, 287053524 is an apocalyptic number.

It is an amenable number.

87053524 is a deficient number, since it is larger than the sum of its proper divisors (65290150).

87053524 is a wasteful number, since it uses less digits than its factorization.

87053524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21763385 (or 21763383 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 87053524 is about 9330.2477994960. The cubic root of 87053524 is about 443.1956122739.

The spelling of 87053524 in words is "eighty-seven million, fifty-three thousand, five hundred twenty-four".

Divisors: 1 2 4 21763381 43526762 87053524