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98910812 = 227211133529
BaseRepresentation
bin1011110010101…
…00001001011100
320220010012010102
411321110021130
5200310121222
613452000232
72310504500
oct571241134
9226105112
1098910812
1150918180
1229160078
1317651b10
14d1ca300
158a3bd92
hex5e5425c

98910812 has 72 divisors (see below), whose sum is σ = 236622960. Its totient is φ = 35562240.

The previous prime is 98910809. The next prime is 98910841. The reversal of 98910812 is 21801989.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26264 + ... + 29792.

It is an arithmetic number, because the mean of its divisors is an integer number (3286430).

Almost surely, 298910812 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 98910812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118311480).

98910812 is an abundant number, since it is smaller than the sum of its proper divisors (137712148).

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

98910812 is a wasteful number, since it uses less digits than its factorization.

98910812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571 (or 3562 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 98910812 is about 9945.3914955622. The cubic root of 98910812 is about 462.4675401616.

The spelling of 98910812 in words is "ninety-eight million, nine hundred ten thousand, eight hundred twelve".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 49 52 77 91 98 143 154 182 196 286 308 364 539 572 637 1001 1078 1274 2002 2156 2548 3529 4004 7007 7058 14014 14116 24703 28028 38819 45877 49406 77638 91754 98812 155276 172921 183508 271733 321139 345842 504647 543466 642278 691684 1009294 1086932 1284556 1902131 2018588 2247973 3532529 3804262 4495946 7065058 7608524 8991892 14130116 24727703 49455406 98910812