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99509469 = 3292634349
BaseRepresentation
bin1011110111001…
…10010011011101
320221020121022220
411323212103131
5200433300334
613512455553
72315550033
oct573462335
9227217286
1099509469
1151196a34
12293aa5b9
1317801457
14d304553
158b09449
hex5ee64dd

99509469 has 16 divisors (see below), whose sum is σ = 137808000. Its totient is φ = 63793856.

The previous prime is 99509467. The next prime is 99509489. The reversal of 99509469 is 96490599.

It is a cyclic number.

It is not a de Polignac number, because 99509469 - 21 = 99509467 is a prime.

It is a super-2 number, since 2×995094692 = 19804268841323922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99509467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20707 + ... + 25055.

It is an arithmetic number, because the mean of its divisors is an integer number (8613000).

Almost surely, 299509469 is an apocalyptic number.

It is an amenable number.

99509469 is a deficient number, since it is larger than the sum of its proper divisors (38298531).

99509469 is a wasteful number, since it uses less digits than its factorization.

99509469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644.

The product of its (nonzero) digits is 787320, while the sum is 51.

The square root of 99509469 is about 9975.4432984204. The cubic root of 99509469 is about 463.3986912730.

The spelling of 99509469 in words is "ninety-nine million, five hundred nine thousand, four hundred sixty-nine".

Divisors: 1 3 29 87 263 789 4349 7627 13047 22881 126121 378363 1143787 3431361 33169823 99509469