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87336141 = 31910914057
BaseRepresentation
bin1010011010010…
…10010011001101
320002100010122220
411031022103031
5134324224031
612355525553
72110226214
oct515122315
9202303586
1087336141
1145331a32
12252b98b9
131512b5b9
14b85607b
157a02596
hex534a4cd

87336141 has 16 divisors (see below), whose sum is σ = 123710400. Its totient is φ = 54649728.

The previous prime is 87336127. The next prime is 87336143. The reversal of 87336141 is 14163378.

It is not a de Polignac number, because 87336141 - 219 = 86811853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87336143) 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, 816 + ... + 13241.

It is an arithmetic number, because the mean of its divisors is an integer number (7731900).

Almost surely, 287336141 is an apocalyptic number.

It is an amenable number.

87336141 is a deficient number, since it is larger than the sum of its proper divisors (36374259).

87336141 is a wasteful number, since it uses less digits than its factorization.

87336141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14188.

The product of its digits is 12096, while the sum is 33.

The square root of 87336141 is about 9345.3807306070. The cubic root of 87336141 is about 443.6747018703.

The spelling of 87336141 in words is "eighty-seven million, three hundred thirty-six thousand, one hundred forty-one".

Divisors: 1 3 19 57 109 327 2071 6213 14057 42171 267083 801249 1532213 4596639 29112047 87336141