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19236996 = 2232172432
BaseRepresentation
bin100100101100…
…0100010000100
31100012100012100
41021120202010
514411040441
61524152100
7322340352
oct111304204
940170170
1019236996
11a94a049
126538630
133ca704c
1427aa7d2
151a4ecb6
hex1258884

19236996 has 81 divisors (see below), whose sum is σ = 52884741. Its totient is φ = 5894784.

The previous prime is 19236983. The next prime is 19237027. The reversal of 19236996 is 69963291.

It is a happy number.

The square root of 19236996 is 4386.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14976900 + 4260096 = 3870^2 + 2064^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 447351 + ... + 447393.

Almost surely, 219236996 is an apocalyptic number.

19236996 is the 4386-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19236996

19236996 is an abundant number, since it is smaller than the sum of its proper divisors (33647745).

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

19236996 is a wasteful number, since it uses less digits than its factorization.

19236996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 65 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The cubic root of 19236996 is about 267.9450581663.

The spelling of 19236996 in words is "nineteen million, two hundred thirty-six thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 43 51 68 86 102 129 153 172 204 258 289 306 387 516 578 612 731 774 867 1156 1462 1548 1734 1849 2193 2601 2924 3468 3698 4386 5202 5547 6579 7396 8772 10404 11094 12427 13158 16641 22188 24854 26316 31433 33282 37281 49708 62866 66564 74562 94299 111843 125732 149124 188598 223686 282897 377196 447372 534361 565794 1068722 1131588 1603083 2137444 3206166 4809249 6412332 9618498 19236996