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20251934 = 226937643
BaseRepresentation
bin100110101000…
…0010100011110
31102002220102122
41031100110132
520141030214
62002022542
7334065353
oct115202436
942086378
1020251934
111048263a
126947a52
134270cc1
14299262a
151ba088e
hex135051e

20251934 has 8 divisors (see below), whose sum is σ = 30491640. Its totient is φ = 10088056.

The previous prime is 20251859. The next prime is 20251949. The reversal of 20251934 is 43915202.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 18284 + ... + 19359.

It is an arithmetic number, because the mean of its divisors is an integer number (3811455).

Almost surely, 220251934 is an apocalyptic number.

20251934 is a deficient number, since it is larger than the sum of its proper divisors (10239706).

20251934 is a wasteful number, since it uses less digits than its factorization.

20251934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37914.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20251934 is about 4500.2148837583. The cubic root of 20251934 is about 272.5767659603.

The spelling of 20251934 in words is "twenty million, two hundred fifty-one thousand, nine hundred thirty-four".

Divisors: 1 2 269 538 37643 75286 10125967 20251934