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87896992 = 252746781
BaseRepresentation
bin1010011110100…
…11001110100000
320010101122000011
411033103032200
5140000200432
612415534304
72115053311
oct517231640
9203348004
1087896992
1145685347
122552a394
1315296971
14b960608
157ab3847
hex53d33a0

87896992 has 12 divisors (see below), whose sum is σ = 173047266. Its totient is φ = 43948480.

The previous prime is 87896981. The next prime is 87896993. The reversal of 87896992 is 29969878.

It can be written as a sum of positive squares in only one way, i.e., 74028816 + 13868176 = 8604^2 + 3724^2 .

It is not an unprimeable number, because it can be changed into a prime (87896993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1373359 + ... + 1373422.

Almost surely, 287896992 is an apocalyptic number.

It is an amenable number.

87896992 is a deficient number, since it is larger than the sum of its proper divisors (85150274).

87896992 is a wasteful number, since it uses less digits than its factorization.

87896992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746791 (or 2746783 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 58.

The square root of 87896992 is about 9375.3395671837. The cubic root of 87896992 is about 444.6223990342.

It can be divided in two parts, 87896 and 992, that added together give a palindrome (88888).

The spelling of 87896992 in words is "eighty-seven million, eight hundred ninety-six thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 32 2746781 5493562 10987124 21974248 43948496 87896992