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86748680 = 23519114143
BaseRepresentation
bin1010010101110…
…10111000001000
320001020021211002
411022322320020
5134201424210
612335154132
72102231414
oct512727010
9201207732
1086748680
1144a70627
1225075948
1314c840a5
14b741d44
1579384a5
hex52bae08

86748680 has 32 divisors (see below), whose sum is σ = 205459200. Its totient is φ = 32872896.

The previous prime is 86748679. The next prime is 86748689. The reversal of 86748680 is 8684768.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (86748689) 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, 56312 + ... + 57831.

It is an arithmetic number, because the mean of its divisors is an integer number (6420600).

Almost surely, 286748680 is an apocalyptic number.

It is an amenable number.

86748680 is an abundant number, since it is smaller than the sum of its proper divisors (118710520).

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

86748680 is a wasteful number, since it uses less digits than its factorization.

86748680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114173 (or 114169 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 86748680 is about 9313.8971435162. The cubic root of 86748680 is about 442.6776798239.

The spelling of 86748680 in words is "eighty-six million, seven hundred forty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 114143 228286 456572 570715 913144 1141430 2168717 2282860 4337434 4565720 8674868 10843585 17349736 21687170 43374340 86748680