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20314748 = 2243831423
BaseRepresentation
bin100110101111…
…1101001111100
31102020002121002
41031133221330
520200032443
62003225432
7334446446
oct115375174
942202532
1020314748
1110515853
126978278
13429377c
1429ab496
151bb42b8
hex135fa7c

20314748 has 24 divisors (see below), whose sum is σ = 36841728. Its totient is φ = 9794736.

The previous prime is 20314687. The next prime is 20314751. The reversal of 20314748 is 84741302.

It is a self number, because there is not a number n which added to its sum of digits gives 20314748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13565 + ... + 14987.

It is an arithmetic number, because the mean of its divisors is an integer number (1535072).

Almost surely, 220314748 is an apocalyptic number.

It is an amenable number.

20314748 is a deficient number, since it is larger than the sum of its proper divisors (16526980).

20314748 is a wasteful number, since it uses less digits than its factorization.

20314748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 20314748 is about 4507.1884806385. The cubic root of 20314748 is about 272.8582858348.

The spelling of 20314748 in words is "twenty million, three hundred fourteen thousand, seven hundred forty-eight".

Divisors: 1 2 4 43 83 86 166 172 332 1423 2846 3569 5692 7138 14276 61189 118109 122378 236218 244756 472436 5078687 10157374 20314748