Search a number
-
+
87601632 = 2538910253
BaseRepresentation
bin1010011100010…
…11000111100000
320002211121211220
411032023013200
5134411223012
612405335040
72112413226
oct516130740
9202747756
1087601632
11454a3448
1225407480
13151c23b1
14b8c4b16
157a5608c
hex538b1e0

87601632 has 48 divisors (see below), whose sum is σ = 232560720. Its totient is φ = 28869632.

The previous prime is 87601597. The next prime is 87601639. The reversal of 87601632 is 23610678.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 87601593 and 87601602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87601639) 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, 3418 + ... + 13670.

It is an arithmetic number, because the mean of its divisors is an integer number (4845015).

Almost surely, 287601632 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 87601632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116280360).

87601632 is an abundant number, since it is smaller than the sum of its proper divisors (144959088).

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

87601632 is a wasteful number, since it uses less digits than its factorization.

87601632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10355 (or 10347 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 87601632 is about 9359.5743492960. The cubic root of 87601632 is about 444.1238190505.

The spelling of 87601632 in words is "eighty-seven million, six hundred one thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 89 96 178 267 356 534 712 1068 1424 2136 2848 4272 8544 10253 20506 30759 41012 61518 82024 123036 164048 246072 328096 492144 912517 984288 1825034 2737551 3650068 5475102 7300136 10950204 14600272 21900408 29200544 43800816 87601632