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99497159 = 553117989
BaseRepresentation
bin1011110111000…
…11010011000111
320221012222102222
411323203103013
5200432402114
613512322555
72315466116
oct573432307
9227188388
1099497159
1151188763
12293a345b
13177c8978
14d2ddc7d
158b0598e
hex5ee34c7

99497159 has 4 divisors (see below), whose sum is σ = 99520680. Its totient is φ = 99473640.

The previous prime is 99497147. The next prime is 99497171. The reversal of 99497159 is 95179499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95179499 = 229415631.

It is an interprime number because it is at equal distance from previous prime (99497147) and next prime (99497171).

It is a cyclic number.

It is not a de Polignac number, because 99497159 - 24 = 99497143 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 99497159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99497179) 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, 3464 + ... + 14525.

It is an arithmetic number, because the mean of its divisors is an integer number (24880170).

Almost surely, 299497159 is an apocalyptic number.

99497159 is a deficient number, since it is larger than the sum of its proper divisors (23521).

99497159 is a wasteful number, since it uses less digits than its factorization.

99497159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23520.

The product of its digits is 918540, while the sum is 53.

The square root of 99497159 is about 9974.8262641512. The cubic root of 99497159 is about 463.3795819588.

The spelling of 99497159 in words is "ninety-nine million, four hundred ninety-seven thousand, one hundred fifty-nine".

Divisors: 1 5531 17989 99497159