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19108434 = 2310333083
BaseRepresentation
bin100100011100…
…1001001010010
31022221210211210
41020321021102
514342432214
61521320550
7321263502
oct110711122
938853753
1019108434
11a8714a4
126496156
133c60687
142775a02
151a26b59
hex1239252

19108434 has 16 divisors (see below), whose sum is σ = 38266272. Its totient is φ = 6361248.

The previous prime is 19108399. The next prime is 19108483. The reversal of 19108434 is 43480191.

It is a happy number.

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, 4657 + ... + 7739.

It is an arithmetic number, because the mean of its divisors is an integer number (2391642).

Almost surely, 219108434 is an apocalyptic number.

19108434 is an abundant number, since it is smaller than the sum of its proper divisors (19157838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19108434 is a wasteful number, since it uses less digits than its factorization.

19108434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 19108434 is about 4371.3194804315. The cubic root of 19108434 is about 267.3468258658.

The spelling of 19108434 in words is "nineteen million, one hundred eight thousand, four hundred thirty-four".

Divisors: 1 2 3 6 1033 2066 3083 3099 6166 6198 9249 18498 3184739 6369478 9554217 19108434