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19934056 = 232491757
BaseRepresentation
bin100110000001…
…0101101101000
31101111202101101
41030002231220
520100342211
61551131144
7331302532
oct114025550
941452341
1019934056
111028582a
126813ab4
13418c3cc
14290c852
151b3b5c1
hex1302b68

19934056 has 8 divisors (see below), whose sum is σ = 37376370. Its totient is φ = 9967024.

The previous prime is 19934053. The next prime is 19934071. The reversal of 19934056 is 65043991.

It can be written as a sum of positive squares in only one way, i.e., 11902500 + 8031556 = 3450^2 + 2834^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×199340562 = 794733177222272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (19934053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245871 + ... + 1245886.

Almost surely, 219934056 is an apocalyptic number.

It is an amenable number.

19934056 is a deficient number, since it is larger than the sum of its proper divisors (17442314).

19934056 is a wasteful number, since it uses less digits than its factorization.

19934056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491763 (or 2491759 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 19934056 is about 4464.7571042555. The cubic root of 19934056 is about 271.1431005780.

It can be divided in two parts, 199340 and 56, that added together give a triangular number (199396 = T631).

The spelling of 19934056 in words is "nineteen million, nine hundred thirty-four thousand, fifty-six".

Divisors: 1 2 4 8 2491757 4983514 9967028 19934056