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87514141 = 11132947449
BaseRepresentation
bin1010011011101…
…01110000011101
320002200011211111
411031311300131
5134400423031
612403422021
72111600161
oct515656035
9202604744
1087514141
1145443740
1225384911
1315191620
14b8a0ca1
157a3a1b1
hex5375c1d

87514141 has 32 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 69242880.

The previous prime is 87514117. The next prime is 87514151. The reversal of 87514141 is 14141578.

It is a cyclic number.

It is not a de Polignac number, because 87514141 - 25 = 87514109 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 (87514111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194685 + ... + 195133.

It is an arithmetic number, because the mean of its divisors is an integer number (3402000).

Almost surely, 287514141 is an apocalyptic number.

It is an amenable number.

87514141 is a deficient number, since it is larger than the sum of its proper divisors (21349859).

87514141 is a wasteful number, since it uses less digits than its factorization.

87514141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its digits is 4480, while the sum is 31.

The square root of 87514141 is about 9354.8993046425. The cubic root of 87514141 is about 443.9759154887.

The spelling of 87514141 in words is "eighty-seven million, five hundred fourteen thousand, one hundred forty-one".

Divisors: 1 11 13 29 47 143 319 377 449 517 611 1363 4147 4939 5837 6721 13021 14993 17719 21103 64207 143231 169273 194909 232133 274339 611987 1862003 3017729 6731857 7955831 87514141