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99370512 = 2432690073
BaseRepresentation
bin1011110110001…
…00011000010000
320220222112201100
411323010120100
5200414324022
613505504400
72314430643
oct573043020
9226875640
1099370512
115110159a
1229342100
1317783127
14d2a9a5a
158acd1ac
hex5ec4610

99370512 has 30 divisors (see below), whose sum is σ = 278099822. Its totient is φ = 33123456.

The previous prime is 99370441. The next prime is 99370519. The reversal of 99370512 is 21507399.

It can be written as a sum of positive squares in only one way, i.e., 98724096 + 646416 = 9936^2 + 804^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (99370519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344893 + ... + 345180.

Almost surely, 299370512 is an apocalyptic number.

It is an amenable number.

99370512 is an abundant number, since it is smaller than the sum of its proper divisors (178729310).

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

99370512 is a wasteful number, since it uses less digits than its factorization.

99370512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690087 (or 690078 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 99370512 is about 9968.4759115925. The cubic root of 99370512 is about 463.1828910788.

The spelling of 99370512 in words is "ninety-nine million, three hundred seventy thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 690073 1380146 2070219 2760292 4140438 5520584 6210657 8280876 11041168 12421314 16561752 24842628 33123504 49685256 99370512