Search a number
-
+
87533088 = 2533167439
BaseRepresentation
bin1010011011110…
…10011000100000
320002201010211020
411031322120200
5134402024323
612404045440
72112006336
oct515723040
9202633736
1087533088
11454569a5
1225393880
131519a136
14b8a7b56
157a40ae3
hex537a620

87533088 has 96 divisors (see below), whose sum is σ = 241274880. Its totient is φ = 27751680.

The previous prime is 87533081. The next prime is 87533113. The reversal of 87533088 is 88033578.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (87533081) 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, 199173 + ... + 199611.

It is an arithmetic number, because the mean of its divisors is an integer number (2513280).

Almost surely, 287533088 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 87533088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120637440).

87533088 is an abundant number, since it is smaller than the sum of its proper divisors (153741792).

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

87533088 is a wasteful number, since it uses less digits than its factorization.

87533088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 87533088 is about 9355.9119277599. The cubic root of 87533088 is about 444.0079537574.

The spelling of 87533088 in words is "eighty-seven million, five hundred thirty-three thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 67 93 96 124 134 186 201 248 268 372 402 439 496 536 744 804 878 992 1072 1317 1488 1608 1756 2077 2144 2634 2976 3216 3512 4154 5268 6231 6432 7024 8308 10536 12462 13609 14048 16616 21072 24924 27218 29413 33232 40827 42144 49848 54436 58826 66464 81654 88239 99696 108872 117652 163308 176478 199392 217744 235304 326616 352956 435488 470608 653232 705912 911803 941216 1306464 1411824 1823606 2735409 2823648 3647212 5470818 7294424 10941636 14588848 21883272 29177696 43766544 87533088