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89744868 = 22331814591
BaseRepresentation
bin1010101100101…
…10010111100100
320020212111211000
411112112113210
5140433313433
612523313300
72136550563
oct526262744
9206774730
1089744868
1146727714
122607b830
1315792a95
14bcc1bda
157d2b113
hex55965e4

89744868 has 48 divisors (see below), whose sum is σ = 234008320. Its totient is φ = 29743200.

The previous prime is 89744839. The next prime is 89744881. The reversal of 89744868 is 86844798.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17253 + ... + 21843.

Almost surely, 289744868 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 89744868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117004160).

89744868 is an abundant number, since it is smaller than the sum of its proper divisors (144263452).

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

89744868 is a wasteful number, since it uses less digits than its factorization.

89744868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785 (or 4777 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 89744868 is about 9473.3768002756. The cubic root of 89744868 is about 447.7166110076.

The spelling of 89744868 in words is "eighty-nine million, seven hundred forty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 181 362 543 724 1086 1629 2172 3258 4591 4887 6516 9182 9774 13773 18364 19548 27546 41319 55092 82638 123957 165276 247914 495828 830971 1661942 2492913 3323884 4985826 7478739 9971652 14957478 22436217 29914956 44872434 89744868