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87676542 = 2324870919
BaseRepresentation
bin1010011100111…
…01011001111110
320002222102121100
411032131121332
5134421122132
612411113530
72113144512
oct516353176
9202872540
1087676542
1145544758
12254428a6
131521a515
14b904142
157a6d37c
hex539d67e

87676542 has 12 divisors (see below), whose sum is σ = 189965880. Its totient is φ = 29225508.

The previous prime is 87676499. The next prime is 87676571. The reversal of 87676542 is 24567678.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2435442 + ... + 2435477.

It is an arithmetic number, because the mean of its divisors is an integer number (15830490).

Almost surely, 287676542 is an apocalyptic number.

87676542 is an abundant number, since it is smaller than the sum of its proper divisors (102289338).

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

87676542 is a wasteful number, since it uses less digits than its factorization.

87676542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870927 (or 4870924 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 87676542 is about 9363.5752787063. The cubic root of 87676542 is about 444.2503761930.

The spelling of 87676542 in words is "eighty-seven million, six hundred seventy-six thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 4870919 9741838 14612757 29225514 43838271 87676542