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87828007 = 2347113719
BaseRepresentation
bin1010011110000…
…10011000100111
320010021010101011
411033002120213
5134440444012
612414243051
72114345221
oct517023047
9203233334
1087828007
1145638533
12254b6487
1315271447
14b943411
157a9d1a7
hex53c2627

87828007 has 16 divisors (see below), whose sum is σ = 94556160. Its totient is φ = 81380992.

The previous prime is 87827989. The next prime is 87828011. The reversal of 87828007 is 70082878.

It is not a de Polignac number, because 87828007 - 27 = 87827879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87828017) 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 in 15 ways as a sum of consecutive naturals, for example, 121794 + ... + 122512.

It is an arithmetic number, because the mean of its divisors is an integer number (5909760).

Almost surely, 287828007 is an apocalyptic number.

87828007 is a deficient number, since it is larger than the sum of its proper divisors (6728153).

87828007 is a wasteful number, since it uses less digits than its factorization.

87828007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 87828007 is about 9371.6597782890. The cubic root of 87828007 is about 444.5060495692.

The spelling of 87828007 in words is "eighty-seven million, eight hundred twenty-eight thousand, seven".

Divisors: 1 23 47 113 719 1081 2599 5311 16537 33793 81247 122153 777239 1868681 3818609 87828007