Search a number
-
+
87433392 = 2433167877
BaseRepresentation
bin1010011011000…
…10000010110000
320002112002001210
411031202002300
5134340332032
612402000120
72111112564
oct515420260
9202462053
1087433392
1145399002
1225346040
1315163947
14b87d6a4
157a212cc
hex53620b0

87433392 has 80 divisors (see below), whose sum is σ = 236905472. Its totient is φ = 27751680.

The previous prime is 87433391. The next prime is 87433399. The reversal of 87433392 is 29333478.

It is a self number, because there is not a number n which added to its sum of digits gives 87433392.

It is not an unprimeable number, because it can be changed into a prime (87433391) 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, 99258 + ... + 100134.

Almost surely, 287433392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87433392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118452736).

87433392 is an abundant number, since it is smaller than the sum of its proper divisors (149472080).

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

87433392 is a wasteful number, since it uses less digits than its factorization.

87433392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 980 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 87433392 is about 9350.5824417520. The cubic root of 87433392 is about 443.8393217800.

The spelling of 87433392 in words is "eighty-seven million, four hundred thirty-three thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 48 62 67 93 124 134 186 201 248 268 372 402 496 536 744 804 877 1072 1488 1608 1754 2077 2631 3216 3508 4154 5262 6231 7016 8308 10524 12462 14032 16616 21048 24924 27187 33232 42096 49848 54374 58759 81561 99696 108748 117518 163122 176277 217496 235036 326244 352554 434992 470072 652488 705108 940144 1304976 1410216 1821529 2820432 3643058 5464587 7286116 10929174 14572232 21858348 29144464 43716696 87433392