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189014517 = 32171235389
BaseRepresentation
bin10110100010000…
…10000111110101
3111011122221011200
423101002013311
5341341431032
630431123113
74453411506
oct1321020765
9434587150
10189014517
119776a44a
1253373499
133020c013
141b162bad
15118d947c
hexb4421f5

189014517 has 12 divisors (see below), whose sum is σ = 289081260. Its totient is φ = 118597248.

The previous prime is 189014509. The next prime is 189014549. The reversal of 189014517 is 715410981.

It can be written as a sum of positive squares in 2 ways, for example, as 149964516 + 39050001 = 12246^2 + 6249^2 .

It is not a de Polignac number, because 189014517 - 23 = 189014509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189014557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617542 + ... + 617847.

It is an arithmetic number, because the mean of its divisors is an integer number (24090105).

Almost surely, 2189014517 is an apocalyptic number.

189014517 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

189014517 is a deficient number, since it is larger than the sum of its proper divisors (100066743).

189014517 is a wasteful number, since it uses less digits than its factorization.

189014517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235412 (or 1235409 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 189014517 is about 13748.2550529149. The cubic root of 189014517 is about 573.8940475889.

The spelling of 189014517 in words is "one hundred eighty-nine million, fourteen thousand, five hundred seventeen".

Divisors: 1 3 9 17 51 153 1235389 3706167 11118501 21001613 63004839 189014517