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18922059 = 3313313747
BaseRepresentation
bin100100000101…
…1101001001011
31022121100012000
41020023221023
514321001214
61513322043
7316556232
oct110135113
938540160
1018922059
11a754472
126406323
133bc68b0
142727b19
1519db809
hex120ba4b

18922059 has 64 divisors (see below), whose sum is σ = 32686080. Its totient is φ = 10730880.

The previous prime is 18922051. The next prime is 18922069. The reversal of 18922059 is 95022981.

18922059 = T82 + T83 + ... + T484.

18922059 = 2113 + 2123.

It is not a de Polignac number, because 18922059 - 23 = 18922051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18922051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 402574 + ... + 402620.

It is an arithmetic number, because the mean of its divisors is an integer number (510720).

Almost surely, 218922059 is an apocalyptic number.

18922059 is a deficient number, since it is larger than the sum of its proper divisors (13764021).

18922059 is a wasteful number, since it uses less digits than its factorization.

18922059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 18922059 is about 4349.9493100495. The cubic root of 18922059 is about 266.4747913128.

The spelling of 18922059 in words is "eighteen million, nine hundred twenty-two thousand, fifty-nine".

Divisors: 1 3 9 13 27 31 37 39 47 93 111 117 141 279 333 351 403 423 481 611 837 999 1147 1209 1269 1443 1457 1739 1833 3441 3627 4329 4371 5217 5499 10323 10881 12987 13113 14911 15651 16497 18941 22607 30969 39339 44733 46953 53909 56823 67821 134199 161727 170469 203463 402597 485181 511407 610389 700817 1455543 2102451 6307353 18922059