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19055696 = 2411108271
BaseRepresentation
bin100100010110…
…0010001010000
31022212010111112
41020230101100
514334240241
61520232452
7320653652
oct110542120
938763445
1019055696
11a835910
12646b728
133c4267a
1427606d2
151a161eb
hex122c450

19055696 has 20 divisors (see below), whose sum is σ = 40277184. Its totient is φ = 8661600.

The previous prime is 19055677. The next prime is 19055711. The reversal of 19055696 is 69655091.

It is a super-3 number, since 3×190556963 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53960 + ... + 54311.

Almost surely, 219055696 is an apocalyptic number.

19055696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19055696 is an abundant number, since it is smaller than the sum of its proper divisors (21221488).

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

19055696 is a wasteful number, since it uses less digits than its factorization.

19055696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108290 (or 108284 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 19055696 is about 4365.2830377880. The cubic root of 19055696 is about 267.1006461265.

The spelling of 19055696 in words is "nineteen million, fifty-five thousand, six hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 108271 216542 433084 866168 1190981 1732336 2381962 4763924 9527848 19055696