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19225968 = 2432691489
BaseRepresentation
bin100100101010…
…1110101110000
31100011210001220
41021111311300
514410212333
61524025040
7322263246
oct111256560
940153056
1019225968
11a941833
126532180
133ca2018
1427a6796
151a4b8b3
hex1255d70

19225968 has 40 divisors (see below), whose sum is σ = 49885200. Its totient is φ = 6380544.

The previous prime is 19225957. The next prime is 19225979. The reversal of 19225968 is 86952291.

It is an interprime number because it is at equal distance from previous prime (19225957) and next prime (19225979).

It is a congruent 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, 12168 + ... + 13656.

It is an arithmetic number, because the mean of its divisors is an integer number (1247130).

Almost surely, 219225968 is an apocalyptic number.

It is an amenable number.

19225968 is an abundant number, since it is smaller than the sum of its proper divisors (30659232).

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

19225968 is a wasteful number, since it uses less digits than its factorization.

19225968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1763 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 19225968 is about 4384.7426378295. The cubic root of 19225968 is about 267.8938467240.

The spelling of 19225968 in words is "nineteen million, two hundred twenty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 269 538 807 1076 1489 1614 2152 2978 3228 4304 4467 5956 6456 8934 11912 12912 17868 23824 35736 71472 400541 801082 1201623 1602164 2403246 3204328 4806492 6408656 9612984 19225968