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19140475 = 52765619
BaseRepresentation
bin100100100000…
…0111101111011
31100000102210111
41021000331323
514344443400
61522125151
7321456064
oct111007573
940012714
1019140475
11a893582
1264b07b7
133c72133
14278356b
151a313ba
hex1240f7b

19140475 has 6 divisors (see below), whose sum is σ = 23734220. Its totient is φ = 15312360.

The previous prime is 19140469. The next prime is 19140497. The reversal of 19140475 is 57404191.

It is not a de Polignac number, because 19140475 - 29 = 19139963 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 382785 + ... + 382834.

Almost surely, 219140475 is an apocalyptic number.

19140475 is a deficient number, since it is larger than the sum of its proper divisors (4593745).

19140475 is an equidigital number, since it uses as much as digits as its factorization.

19140475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765629 (or 765624 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 19140475 is about 4374.9828571093. The cubic root of 19140475 is about 267.4961713721.

The spelling of 19140475 in words is "nineteen million, one hundred forty thousand, four hundred seventy-five".

Divisors: 1 5 25 765619 3828095 19140475