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99159797 = 119014527
BaseRepresentation
bin1011110100100…
…00111011110101
320220120211200002
411322100323311
5200341103142
613501201045
72312562422
oct572207365
9226524602
1099159797
1150a78250
1229260185
131770b249
14d252d49
158a8aa32
hex5e90ef5

99159797 has 4 divisors (see below), whose sum is σ = 108174336. Its totient is φ = 90145260.

The previous prime is 99159779. The next prime is 99159811. The reversal of 99159797 is 79795199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99159797 - 214 = 99143413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99158797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4507253 + ... + 4507274.

It is an arithmetic number, because the mean of its divisors is an integer number (27043584).

Almost surely, 299159797 is an apocalyptic number.

It is an amenable number.

99159797 is a deficient number, since it is larger than the sum of its proper divisors (9014539).

99159797 is a wasteful number, since it uses less digits than its factorization.

99159797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9014538.

The product of its digits is 1607445, while the sum is 56.

The square root of 99159797 is about 9957.9012346980. The cubic root of 99159797 is about 462.8552665522.

The spelling of 99159797 in words is "ninety-nine million, one hundred fifty-nine thousand, seven hundred ninety-seven".

Divisors: 1 11 9014527 99159797