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19995296 = 251932887
BaseRepresentation
bin100110001000…
…1101010100000
31101121212101112
41030101222200
520104322141
61552322452
7331646216
oct114215240
941555345
1019995296
1110317842
126843428
1341b1249
142926cb6
151b4e7eb
hex1311aa0

19995296 has 24 divisors (see below), whose sum is σ = 41438880. Its totient is φ = 9471168.

The previous prime is 19995271. The next prime is 19995307. The reversal of 19995296 is 69259991.

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, 15836 + ... + 17051.

It is an arithmetic number, because the mean of its divisors is an integer number (1726620).

Almost surely, 219995296 is an apocalyptic number.

19995296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19995296 is an abundant number, since it is smaller than the sum of its proper divisors (21443584).

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

19995296 is a wasteful number, since it uses less digits than its factorization.

19995296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32916 (or 32908 counting only the distinct ones).

The product of its digits is 393660, while the sum is 50.

The square root of 19995296 is about 4471.6100008834. The cubic root of 19995296 is about 271.4204789567.

It can be divided in two parts, 19995 and 296, that multiplied together give a triangular number (5918520 = T3440).

The spelling of 19995296 in words is "nineteen million, nine hundred ninety-five thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 32887 65774 131548 263096 526192 624853 1052384 1249706 2499412 4998824 9997648 19995296