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19204896 = 2531910529
BaseRepresentation
bin100100101000…
…0101100100000
31100010201011110
41021100230200
514404024041
61523343320
7322144644
oct111205440
940121143
1019204896
11a927a17
126521b40
133c95559
14279cc24
151a45516
hex1250b20

19204896 has 48 divisors (see below), whose sum is σ = 53071200. Its totient is φ = 6064128.

The previous prime is 19204891. The next prime is 19204897. The reversal of 19204896 is 69840291.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (19204891) 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, 3441 + ... + 7088.

It is an arithmetic number, because the mean of its divisors is an integer number (1105650).

Almost surely, 219204896 is an apocalyptic number.

19204896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19204896 is an abundant number, since it is smaller than the sum of its proper divisors (33866304).

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

19204896 is a wasteful number, since it uses less digits than its factorization.

19204896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10561 (or 10553 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 19204896 is about 4382.3391014389. The cubic root of 19204896 is about 267.7959388188.

It can be divided in two parts, 19204 and 896, that added together give a triangular number (20100 = T200).

The spelling of 19204896 in words is "nineteen million, two hundred four thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1824 10529 21058 31587 42116 63174 84232 126348 168464 200051 252696 336928 400102 505392 600153 800204 1010784 1200306 1600408 2400612 3200816 4801224 6401632 9602448 19204896