[go: up one dir, main page]

Search a number
-
+
89680160 = 255560501
BaseRepresentation
bin1010101100001…
…10100100100000
320020202020001102
411112012210200
5140424231120
612522053532
72136161123
oct526064440
9206666042
1089680160
1146693039
122604a2a8
131576c4ab
14bca63ba
157d16d75
hex5586920

89680160 has 24 divisors (see below), whose sum is σ = 211869756. Its totient is φ = 35872000.

The previous prime is 89680141. The next prime is 89680181. The reversal of 89680160 is 6108698.

It can be written as a sum of positive squares in 2 ways, for example, as 85303696 + 4376464 = 9236^2 + 2092^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280091 + ... + 280410.

Almost surely, 289680160 is an apocalyptic number.

89680160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89680160 is an abundant number, since it is smaller than the sum of its proper divisors (122189596).

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

89680160 is a wasteful number, since it uses less digits than its factorization.

89680160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560516 (or 560508 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 89680160 is about 9469.9609291697. The cubic root of 89680160 is about 447.6089806671.

The spelling of 89680160 in words is "eighty-nine million, six hundred eighty thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 560501 1121002 2242004 2802505 4484008 5605010 8968016 11210020 17936032 22420040 44840080 89680160