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87992576 = 28749103
BaseRepresentation
bin1010011111010…
…10100100000000
320010120111010022
411033222210000
5140011230301
612421553012
72115632060
oct517524400
9203514108
1087992576
1145740141
1225575768
13152cb319
14b9873a0
157ad1d1b
hex53ea900

87992576 has 36 divisors (see below), whose sum is σ = 200737152. Its totient is φ = 37710336.

The previous prime is 87992573. The next prime is 87992581. The reversal of 87992576 is 67529978.

It is a super-2 number, since 2×879925762 = 15485386862231552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87992573) 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 3 ways as a sum of consecutive naturals, for example, 22760 + ... + 26343.

It is an arithmetic number, because the mean of its divisors is an integer number (5576032).

Almost surely, 287992576 is an apocalyptic number.

It is an amenable number.

87992576 is an abundant number, since it is smaller than the sum of its proper divisors (112744576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87992576 is an equidigital number, since it uses as much as digits as its factorization.

87992576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49126 (or 49112 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 53.

The square root of 87992576 is about 9380.4358107713. The cubic root of 87992576 is about 444.7835095589.

The spelling of 87992576 in words is "eighty-seven million, nine hundred ninety-two thousand, five hundred seventy-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 896 1792 49103 98206 196412 343721 392824 687442 785648 1374884 1571296 2749768 3142592 5499536 6285184 10999072 12570368 21998144 43996288 87992576