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19056968 = 237714793
BaseRepresentation
bin100100010110…
…0100101001000
31022212012020122
41020230211020
514334310333
61520242412
7320660450
oct110544510
938765218
1019056968
11a836867
126470408
133c43118
142760d60
151a16798
hex122c948

19056968 has 32 divisors (see below), whose sum is σ = 41420160. Its totient is φ = 8050560.

The previous prime is 19056967. The next prime is 19056979. The reversal of 19056968 is 86965091.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (19056967) 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, 1580 + ... + 6372.

It is an arithmetic number, because the mean of its divisors is an integer number (1294380).

Almost surely, 219056968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19056968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20710080).

19056968 is an abundant number, since it is smaller than the sum of its proper divisors (22363192).

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

19056968 is a wasteful number, since it uses less digits than its factorization.

19056968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4877 (or 4873 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 19056968 is about 4365.4287303769. The cubic root of 19056968 is about 267.1065891345.

The spelling of 19056968 in words is "nineteen million, fifty-six thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 71 142 284 497 568 994 1988 3976 4793 9586 19172 33551 38344 67102 134204 268408 340303 680606 1361212 2382121 2722424 4764242 9528484 19056968