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89656488 = 233210112329
BaseRepresentation
bin1010101100000…
…00110010101000
320020201000120200
411112000302220
5140423001423
612521352200
72136032115
oct526006250
9206630520
1089656488
1146677279
1226038660
131576179c
14bc9b90c
157d0ed43
hex5580ca8

89656488 has 48 divisors (see below), whose sum is σ = 245243700. Its totient is φ = 29587200.

The previous prime is 89656471. The next prime is 89656543. The reversal of 89656488 is 88465698.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89075844 + 580644 = 9438^2 + 762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108 + ... + 13436.

Almost surely, 289656488 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 89656488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122621850).

89656488 is an abundant number, since it is smaller than the sum of its proper divisors (155587212).

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

89656488 is a wasteful number, since it uses less digits than its factorization.

89656488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12442 (or 12435 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 89656488 is about 9468.7109999197. The cubic root of 89656488 is about 447.5695935376.

The spelling of 89656488 in words is "eighty-nine million, six hundred fifty-six thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 101 202 303 404 606 808 909 1212 1818 2424 3636 7272 12329 24658 36987 49316 73974 98632 110961 147948 221922 295896 443844 887688 1245229 2490458 3735687 4980916 7471374 9961832 11207061 14942748 22414122 29885496 44828244 89656488