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99968750 = 2567457
BaseRepresentation
bin1011111010101…
…10011011101110
320222002221100022
411331112123232
5201043000000
613530402142
72322502040
oct575263356
9228087308
1099968750
1151480002
1229590352
131793250b
14d3c3a90
158b9a585
hex5f566ee

99968750 has 56 divisors (see below), whose sum is σ = 214684752. Its totient is φ = 34200000.

The previous prime is 99968749. The next prime is 99968753. The reversal of 99968750 is 5786999.

It is a junction number, because it is equal to n+sod(n) for n = 99968692 and 99968701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99968753) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 218522 + ... + 218978.

Almost surely, 299968750 is an apocalyptic number.

99968750 is an abundant number, since it is smaller than the sum of its proper divisors (114716002).

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

99968750 is an frugal number, since it uses more digits than its factorization.

99968750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 99968750 is about 9998.4373779106. The cubic root of 99968750 is about 464.1105284403.

The spelling of 99968750 in words is "ninety-nine million, nine hundred sixty-eight thousand, seven hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 125 175 250 350 457 625 875 914 1250 1750 2285 3125 3199 4375 4570 6250 6398 8750 11425 15625 15995 21875 22850 31250 31990 43750 57125 79975 109375 114250 159950 218750 285625 399875 571250 799750 1428125 1999375 2856250 3998750 7140625 9996875 14281250 19993750 49984375 99968750