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99247051 = 198296301
BaseRepresentation
bin1011110101001…
…10001111001011
320220202021100201
411322212033023
5200401401201
613503113031
72313405001
oct572461713
9226667321
1099247051
1151027862
12292a2777
131773bb87
14d276a71
158aa6801
hex5ea63cb

99247051 has 8 divisors (see below), whose sum is σ = 104613200. Its totient is φ = 93895200.

The previous prime is 99247039. The next prime is 99247067. The reversal of 99247051 is 15074299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99247051 - 217 = 99115979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99247051.

It is not an unprimeable number, because it can be changed into a prime (99247021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12601 + ... + 18901.

It is an arithmetic number, because the mean of its divisors is an integer number (13076650).

Almost surely, 299247051 is an apocalyptic number.

99247051 is the 6301-st heptagonal number.

99247051 is a deficient number, since it is larger than the sum of its proper divisors (5366149).

99247051 is a wasteful number, since it uses less digits than its factorization.

99247051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7149.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 99247051 is about 9962.2814154189. The cubic root of 99247051 is about 462.9909873274.

The spelling of 99247051 in words is "ninety-nine million, two hundred forty-seven thousand, fifty-one".

Divisors: 1 19 829 6301 15751 119719 5223529 99247051