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20248344 = 2332281227
BaseRepresentation
bin100110100111…
…1011100011000
31102002201111200
41031033130120
520140421334
62001554200
7334052034
oct115173430
942081450
1020248344
111047a976
126945960
13426c48c
1429911c4
151b9e799
hex134f718

20248344 has 24 divisors (see below), whose sum is σ = 54839460. Its totient is φ = 6749424.

The previous prime is 20248337. The next prime is 20248381. The reversal of 20248344 is 44384202.

It is a happy number.

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

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140542 + ... + 140685.

Almost surely, 220248344 is an apocalyptic number.

20248344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20248344 is an abundant number, since it is smaller than the sum of its proper divisors (34591116).

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

20248344 is a wasteful number, since it uses less digits than its factorization.

20248344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281239 (or 281232 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 20248344 is about 4499.8159962381. The cubic root of 20248344 is about 272.5606587181.

The spelling of 20248344 in words is "twenty million, two hundred forty-eight thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 281227 562454 843681 1124908 1687362 2249816 2531043 3374724 5062086 6749448 10124172 20248344