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87460285 = 5117122397
BaseRepresentation
bin1010011011010…
…00100110111101
320002120102221211
411031220212331
5134342212120
612402324421
72111254153
oct515504675
9202512854
1087460285
1145407230
1225359711
1315172c63
14b8893d3
157a2925a
hex53689bd

87460285 has 16 divisors (see below), whose sum is σ = 116111232. Its totient is φ = 62708800.

The previous prime is 87460277. The next prime is 87460297. The reversal of 87460285 is 58206478.

It is not a de Polignac number, because 87460285 - 23 = 87460277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7294 + ... + 15103.

It is an arithmetic number, because the mean of its divisors is an integer number (7256952).

Almost surely, 287460285 is an apocalyptic number.

It is an amenable number.

87460285 is a deficient number, since it is larger than the sum of its proper divisors (28650947).

87460285 is a wasteful number, since it uses less digits than its factorization.

87460285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22484.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 87460285 is about 9352.0203699522. The cubic root of 87460285 is about 443.8848228829.

The spelling of 87460285 in words is "eighty-seven million, four hundred sixty thousand, two hundred eighty-five".

Divisors: 1 5 11 55 71 355 781 3905 22397 111985 246367 1231835 1590187 7950935 17492057 87460285