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189013106 = 2175559209
BaseRepresentation
bin10110100010000…
…01110001110010
3111011122212020102
423101001301302
5341341404411
630431112402
74453404422
oct1321016162
9434585212
10189013106
1197769387
1253372702
133020b499
141b162482
15118d8d3b
hexb441c72

189013106 has 8 divisors (see below), whose sum is σ = 300197340. Its totient is φ = 88947328.

The previous prime is 189013091. The next prime is 189013129. The reversal of 189013106 is 601310981.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 188815081 + 198025 = 13741^2 + 445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779571 + ... + 2779638.

Almost surely, 2189013106 is an apocalyptic number.

189013106 is a deficient number, since it is larger than the sum of its proper divisors (111184234).

189013106 is a wasteful number, since it uses less digits than its factorization.

189013106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559228.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 189013106 is about 13748.2037372160. The cubic root of 189013106 is about 573.8926195389.

The spelling of 189013106 in words is "one hundred eighty-nine million, thirteen thousand, one hundred six".

Divisors: 1 2 17 34 5559209 11118418 94506553 189013106