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19142792 = 232392849
BaseRepresentation
bin100100100000…
…1100010001000
31100000112222022
41021001202020
514400032132
61522144012
7321465614
oct111014210
940015868
1019142792
11a895299
1264b2008
133c731c6
142784344
151a31e12
hex1241888

19142792 has 8 divisors (see below), whose sum is σ = 35892750. Its totient is φ = 9571392.

The previous prime is 19142759. The next prime is 19142803. The reversal of 19142792 is 29724191.

It can be written as a sum of positive squares in only one way, i.e., 16273156 + 2869636 = 4034^2 + 1694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1196417 + ... + 1196432.

Almost surely, 219142792 is an apocalyptic number.

It is an amenable number.

19142792 is a deficient number, since it is larger than the sum of its proper divisors (16749958).

19142792 is a wasteful number, since it uses less digits than its factorization.

19142792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392855 (or 2392851 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 19142792 is about 4375.2476501336. The cubic root of 19142792 is about 267.5069646191.

The spelling of 19142792 in words is "nineteen million, one hundred forty-two thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 2392849 4785698 9571396 19142792