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89540968 = 23112233397
BaseRepresentation
bin1010101011001…
…00100101101000
320020111011010011
411111210211220
5140410302333
612515101304
72135041246
oct525444550
9206434104
1089540968
11465a8500
1225ba1834
131572102a
14bc6b796
157cda9cd
hex5564968

89540968 has 48 divisors (see below), whose sum is σ = 185798340. Its totient is φ = 40423680.

The previous prime is 89540963. The next prime is 89541013. The reversal of 89540968 is 86904598.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89075844 + 465124 = 9438^2 + 682^2 .

It is not an unprimeable number, because it can be changed into a prime (89540963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225346 + ... + 225742.

Almost surely, 289540968 is an apocalyptic number.

89540968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89540968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92899170).

89540968 is an abundant number, since it is smaller than the sum of its proper divisors (96257372).

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

89540968 is a wasteful number, since it uses less digits than its factorization.

89540968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 89540968 is about 9462.6089425697. The cubic root of 89540968 is about 447.3772837465.

The spelling of 89540968 in words is "eighty-nine million, five hundred forty thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 121 233 242 397 466 484 794 932 968 1588 1864 2563 3176 4367 5126 8734 10252 17468 20504 28193 34936 48037 56386 92501 96074 112772 185002 192148 225544 370004 384296 740008 1017511 2035022 4070044 8140088 11192621 22385242 44770484 89540968