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1634104345 = 51723835859
BaseRepresentation
bin110000101100110…
…0111010000011001
311012212212002202011
41201121213100121
511321312314340
6430052305521
755331441416
oct14131472031
94185762664
101634104345
11769455865
123973122a1
13200716c63
1411705110d
15986d90ea
hex61667419

1634104345 has 16 divisors (see below), whose sum is σ = 2166549120. Its totient is φ = 1176888064.

The previous prime is 1634104337. The next prime is 1634104369. The reversal of 1634104345 is 5434014361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1634104345 - 23 = 1634104337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415975 + ... + 419884.

It is an arithmetic number, because the mean of its divisors is an integer number (135409320).

Almost surely, 21634104345 is an apocalyptic number.

It is an amenable number.

1634104345 is a deficient number, since it is larger than the sum of its proper divisors (532444775).

1634104345 is a wasteful number, since it uses less digits than its factorization.

1634104345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835904.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1634104345 is about 40424.0565134178. The cubic root of 1634104345 is about 1177.8588830086.

The spelling of 1634104345 in words is "one billion, six hundred thirty-four million, one hundred four thousand, three hundred forty-five".

Divisors: 1 5 17 23 85 115 391 1955 835859 4179295 14209603 19224757 71048015 96123785 326820869 1634104345