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20253876 = 2231687823
BaseRepresentation
bin100110101000…
…0110010110100
31102010000002120
41031100302310
520141111001
62002035540
7334104126
oct115206264
942100076
1020253876
1110484045
126948bb0
134271b56
142993216
151ba1236
hex1350cb4

20253876 has 12 divisors (see below), whose sum is σ = 47259072. Its totient is φ = 6751288.

The previous prime is 20253859. The next prime is 20253887. The reversal of 20253876 is 67835202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843900 + ... + 843923.

It is an arithmetic number, because the mean of its divisors is an integer number (3938256).

Almost surely, 220253876 is an apocalyptic number.

It is an amenable number.

20253876 is an abundant number, since it is smaller than the sum of its proper divisors (27005196).

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

20253876 is a wasteful number, since it uses less digits than its factorization.

20253876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687830 (or 1687828 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 20253876 is about 4500.4306460604. The cubic root of 20253876 is about 272.5854783325.

The spelling of 20253876 in words is "twenty million, two hundred fifty-three thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 12 1687823 3375646 5063469 6751292 10126938 20253876