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19225713 = 313492967
BaseRepresentation
bin100100101010…
…1110001110001
31100011202201110
41021111301301
514410210323
61524023533
7322262433
oct111256161
940152643
1019225713
11a941621
126531ba9
133ca1b80
1427a6653
151a4b793
hex1255c71

19225713 has 8 divisors (see below), whose sum is σ = 27606208. Its totient is φ = 11831184.

The previous prime is 19225711. The next prime is 19225729. The reversal of 19225713 is 31752291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19225713 - 21 = 19225711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19225711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246445 + ... + 246522.

It is an arithmetic number, because the mean of its divisors is an integer number (3450776).

Almost surely, 219225713 is an apocalyptic number.

19225713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19225713 is a deficient number, since it is larger than the sum of its proper divisors (8380495).

19225713 is a wasteful number, since it uses less digits than its factorization.

19225713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492983.

The product of its digits is 3780, while the sum is 30.

The square root of 19225713 is about 4384.7135596296. The cubic root of 19225713 is about 267.8926623322.

The spelling of 19225713 in words is "nineteen million, two hundred twenty-five thousand, seven hundred thirteen".

Divisors: 1 3 13 39 492967 1478901 6408571 19225713