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99827903 = 761389601
BaseRepresentation
bin1011111001101…
…00000010111111
320221211210010202
411330310002333
5201023443103
613523354115
72321344310
oct574640277
9227753122
1099827903
11513941aa
122952293b
13178b3386
14d388607
158b6d988
hex5f340bf

99827903 has 16 divisors (see below), whose sum is σ = 116450880. Its totient is φ = 83808000.

The previous prime is 99827891. The next prime is 99827933. The reversal of 99827903 is 30972899.

It is a cyclic number.

It is not a de Polignac number, because 99827903 - 214 = 99811519 is a prime.

It is a super-2 number, since 2×998279032 = 19931220434754818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99827933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165803 + ... + 166403.

It is an arithmetic number, because the mean of its divisors is an integer number (7278180).

Almost surely, 299827903 is an apocalyptic number.

99827903 is a deficient number, since it is larger than the sum of its proper divisors (16622977).

99827903 is a wasteful number, since it uses less digits than its factorization.

99827903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 99827903 is about 9991.3914446387. The cubic root of 99827903 is about 463.8924626309.

The spelling of 99827903 in words is "ninety-nine million, eight hundred twenty-seven thousand, nine hundred three".

Divisors: 1 7 61 389 427 601 2723 4207 23729 36661 166103 233789 256627 1636523 14261129 99827903