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87000367 = 974312081
BaseRepresentation
bin1010010111110…
…00010100101111
320001201002001211
411023320110233
5134233002432
612344415251
72104330246
oct513702457
9201632054
1087000367
1145122733
1225177527
131504180c
14b7a995d
157987d47
hex52f852f

87000367 has 8 divisors (see below), whose sum is σ = 88143552. Its totient is φ = 85862400.

The previous prime is 87000359. The next prime is 87000383. The reversal of 87000367 is 76300078.

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

It is a cyclic number.

It is not a de Polignac number, because 87000367 - 23 = 87000359 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 (87000317) 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, 40767 + ... + 42847.

It is an arithmetic number, because the mean of its divisors is an integer number (11017944).

Almost surely, 287000367 is an apocalyptic number.

87000367 is a deficient number, since it is larger than the sum of its proper divisors (1143185).

87000367 is a wasteful number, since it uses less digits than its factorization.

87000367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 87000367 is about 9327.3987263331. The cubic root of 87000367 is about 443.1053852315.

The spelling of 87000367 in words is "eighty-seven million, three hundred sixty-seven", and thus it is an aban number.

Divisors: 1 97 431 2081 41807 201857 896911 87000367