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19693104 = 243537741
BaseRepresentation
bin100101100011…
…1111000110000
31101001111212020
41023013320300
520020134404
61542031440
7326250204
oct113077060
941044766
1019693104
11101307a2
126718580
134106832
142888b04
151adeed9
hex12c7e30

19693104 has 40 divisors (see below), whose sum is σ = 51840432. Its totient is φ = 6439680.

The previous prime is 19693067. The next prime is 19693111. The reversal of 19693104 is 40139691.

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, 1327 + ... + 6414.

Almost surely, 219693104 is an apocalyptic number.

It is an amenable number.

19693104 is an abundant number, since it is smaller than the sum of its proper divisors (32147328).

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

19693104 is a wasteful number, since it uses less digits than its factorization.

19693104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805 (or 7799 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 19693104 is about 4437.6912916515. The cubic root of 19693104 is about 270.0461923712.

The spelling of 19693104 in words is "nineteen million, six hundred ninety-three thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 53 106 159 212 318 424 636 848 1272 2544 7741 15482 23223 30964 46446 61928 92892 123856 185784 371568 410273 820546 1230819 1641092 2461638 3282184 4923276 6564368 9846552 19693104