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199104154 = 2195239583
BaseRepresentation
bin10111101111000…
…01011010011010
3111212122112112221
423313201122122
5401432313104
631431254254
74635233404
oct1367413232
9455575487
10199104154
11a2430997
125681a38a
1332332612
141c62bb74
151272dc54
hexbde169a

199104154 has 8 divisors (see below), whose sum is σ = 314375040. Its totient is φ = 94312476.

The previous prime is 199104083. The next prime is 199104203. The reversal of 199104154 is 451401991.

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, 2619754 + ... + 2619829.

It is an arithmetic number, because the mean of its divisors is an integer number (39296880).

Almost surely, 2199104154 is an apocalyptic number.

199104154 is a deficient number, since it is larger than the sum of its proper divisors (115270886).

199104154 is a wasteful number, since it uses less digits than its factorization.

199104154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239604.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 199104154 is about 14110.4271374045. The cubic root of 199104154 is about 583.9290841675.

The spelling of 199104154 in words is "one hundred ninety-nine million, one hundred four thousand, one hundred fifty-four".

Divisors: 1 2 19 38 5239583 10479166 99552077 199104154