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87504141 = 349958453
BaseRepresentation
bin1010011011100…
…11010100001101
320002122200010010
411031303110031
5134400113031
612403303433
72111526054
oct515632415
9202580103
1087504141
114543717a
122537ab79
1315189bca
14b89b39b
157a37246
hex537350d

87504141 has 8 divisors (see below), whose sum is σ = 116908000. Its totient is φ = 58218192.

The previous prime is 87504119. The next prime is 87504181. The reversal of 87504141 is 14140578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87504141 - 27 = 87504013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87504099 and 87504108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87504181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27730 + ... + 30723.

It is an arithmetic number, because the mean of its divisors is an integer number (14613500).

Almost surely, 287504141 is an apocalyptic number.

It is an amenable number.

87504141 is a deficient number, since it is larger than the sum of its proper divisors (29403859).

87504141 is a wasteful number, since it uses less digits than its factorization.

87504141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58955.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 87504141 is about 9354.3648100766. The cubic root of 87504141 is about 443.9590042093.

The spelling of 87504141 in words is "eighty-seven million, five hundred four thousand, one hundred forty-one".

Divisors: 1 3 499 1497 58453 175359 29168047 87504141