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86730486 = 2341934499
BaseRepresentation
bin1010010101101…
…10011011110110
320001012100212020
411022312123312
5134200333421
612334534010
72102124363
oct512663366
9201170766
1086730486
1144a58997
1225067306
1314c78a1b
14b73946a
157932dc6
hex52b66f6

86730486 has 16 divisors (see below), whose sum is σ = 173880000. Its totient is φ = 28840328.

The previous prime is 86730473. The next prime is 86730491. The reversal of 86730486 is 68403768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14736 + ... + 19763.

It is an arithmetic number, because the mean of its divisors is an integer number (10867500).

Almost surely, 286730486 is an apocalyptic number.

86730486 is an abundant number, since it is smaller than the sum of its proper divisors (87149514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86730486 is a wasteful number, since it uses less digits than its factorization.

86730486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34923.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 86730486 is about 9312.9203797735. The cubic root of 86730486 is about 442.6467297244.

The spelling of 86730486 in words is "eighty-six million, seven hundred thirty thousand, four hundred eighty-six".

Divisors: 1 2 3 6 419 838 1257 2514 34499 68998 103497 206994 14455081 28910162 43365243 86730486