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18696130 = 254739779
BaseRepresentation
bin100011101010…
…0011111000010
31022011212021021
41013110133002
514241234010
61504420054
7314625445
oct107243702
938155237
1018696130
11a60a752
12631762a
133b47acb
1426a965c
1519948da
hex11d47c2

18696130 has 16 divisors (see below), whose sum is σ = 34369920. Its totient is φ = 7319152.

The previous prime is 18696127. The next prime is 18696163. The reversal of 18696130 is 3169681.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19420 + ... + 20359.

It is an arithmetic number, because the mean of its divisors is an integer number (2148120).

Almost surely, 218696130 is an apocalyptic number.

18696130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18696130 is a deficient number, since it is larger than the sum of its proper divisors (15673790).

18696130 is a wasteful number, since it uses less digits than its factorization.

18696130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39833.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 18696130 is about 4323.9021728064. The cubic root of 18696130 is about 265.4099741708.

The spelling of 18696130 in words is "eighteen million, six hundred ninety-six thousand, one hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 39779 79558 198895 397790 1869613 3739226 9348065 18696130