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19297056 = 253201011
BaseRepresentation
bin100100110011…
…1001100100000
31100022101120210
41021213030200
514420001211
61525334120
7323010432
oct111471440
940271523
1019297056
11a990189
126567340
133cc849c
1427c4652
151a629a6
hex1267320

19297056 has 24 divisors (see below), whose sum is σ = 50655024. Its totient is φ = 6432320.

The previous prime is 19297037. The next prime is 19297063. The reversal of 19297056 is 65079291.

It is a tau number, because it is divible by the number of its divisors (24).

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, 100410 + ... + 100601.

It is an arithmetic number, because the mean of its divisors is an integer number (2110626).

Almost surely, 219297056 is an apocalyptic number.

19297056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19297056 is an abundant number, since it is smaller than the sum of its proper divisors (31357968).

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

19297056 is a wasteful number, since it uses less digits than its factorization.

19297056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201024 (or 201016 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 19297056 is about 4392.8414494493. The cubic root of 19297056 is about 268.2236197008.

The spelling of 19297056 in words is "nineteen million, two hundred ninety-seven thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 201011 402022 603033 804044 1206066 1608088 2412132 3216176 4824264 6432352 9648528 19297056