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86754864 = 2437318329
BaseRepresentation
bin1010010101111…
…00011000110000
320001020121022010
411022330120300
5134202123424
612335242520
72102255430
oct512743060
9201217263
1086754864
1144a75239
1225079440
1314c86b51
14b7442c0
15793a229
hex52bc630

86754864 has 80 divisors (see below), whose sum is σ = 264427520. Its totient is φ = 23984640.

The previous prime is 86754853. The next prime is 86754869. The reversal of 86754864 is 46845768.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (86754869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6252 + ... + 14580.

It is an arithmetic number, because the mean of its divisors is an integer number (3305344).

Almost surely, 286754864 is an apocalyptic number.

86754864 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86754864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132213760).

86754864 is an abundant number, since it is smaller than the sum of its proper divisors (177672656).

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

86754864 is a wasteful number, since it uses less digits than its factorization.

86754864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378 (or 8372 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 86754864 is about 9314.2291146396. The cubic root of 86754864 is about 442.6881985381.

The spelling of 86754864 in words is "eighty-six million, seven hundred fifty-four thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 31 42 48 56 62 84 93 112 124 168 186 217 248 336 372 434 496 651 744 868 1302 1488 1736 2604 3472 5208 8329 10416 16658 24987 33316 49974 58303 66632 99948 116606 133264 174909 199896 233212 258199 349818 399792 466424 516398 699636 774597 932848 1032796 1399272 1549194 1807393 2065592 2798544 3098388 3614786 4131184 5422179 6196776 7229572 10844358 12393552 14459144 21688716 28918288 43377432 86754864