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89914992 = 2431925189
BaseRepresentation
bin1010101101111…
…11111001110000
320021012011011220
411112333321300
5141004234432
612531105040
72141156556
oct526777160
9207164156
1089914992
1146833512
1226142180
131582234b
14bd27bd6
157d6172c
hex55bfe70

89914992 has 60 divisors (see below), whose sum is σ = 245196360. Its totient is φ = 28388736.

The previous prime is 89914991. The next prime is 89915053. The reversal of 89914992 is 29941998.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89914991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14734 + ... + 19922.

It is an arithmetic number, because the mean of its divisors is an integer number (4086606).

Almost surely, 289914992 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 89914992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122598180).

89914992 is an abundant number, since it is smaller than the sum of its proper divisors (155281368).

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

89914992 is a wasteful number, since it uses less digits than its factorization.

89914992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238 (or 5213 counting only the distinct ones).

The product of its digits is 419904, while the sum is 51.

The square root of 89914992 is about 9482.3516070646. The cubic root of 89914992 is about 447.9993356708. Note that the first 3 decimals are identical.

The spelling of 89914992 in words is "eighty-nine million, nine hundred fourteen thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 38 48 57 76 114 152 228 304 361 456 722 912 1083 1444 2166 2888 4332 5189 5776 8664 10378 15567 17328 20756 31134 41512 62268 83024 98591 124536 197182 249072 295773 394364 591546 788728 1183092 1577456 1873229 2366184 3746458 4732368 5619687 7492916 11239374 14985832 22478748 29971664 44957496 89914992