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20253448 = 236533877
BaseRepresentation
bin100110101000…
…0101100001000
31102002222111201
41031100230020
520141102243
62002033544
7334102645
oct115205410
942088451
1020253448
1110483796
1269488b4
1342718b7
142992dcc
151ba104d
hex1350b08

20253448 has 16 divisors (see below), whose sum is σ = 38043180. Its totient is φ = 10108608.

The previous prime is 20253439. The next prime is 20253451. The reversal of 20253448 is 84435202.

It can be written as a sum of positive squares in 2 ways, for example, as 18818244 + 1435204 = 4338^2 + 1198^2 .

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, 3286 + ... + 7162.

Almost surely, 220253448 is an apocalyptic number.

It is an amenable number.

20253448 is a deficient number, since it is larger than the sum of its proper divisors (17789732).

20253448 is a wasteful number, since it uses less digits than its factorization.

20253448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536 (or 4532 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 20253448 is about 4500.3830948043. The cubic root of 20253448 is about 272.5835582488.

The spelling of 20253448 in words is "twenty million, two hundred fifty-three thousand, four hundred forty-eight".

Divisors: 1 2 4 8 653 1306 2612 3877 5224 7754 15508 31016 2531681 5063362 10126724 20253448