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20228496 = 2431313217
BaseRepresentation
bin100110100101…
…0100110010000
31102001201021120
41031022212100
520134302441
62001322240
7333640131
oct115124620
942051246
1020228496
1110466a72
126936380
134263432
142987c88
151b98966
hex134a990

20228496 has 40 divisors (see below), whose sum is σ = 52672224. Its totient is φ = 6689280.

The previous prime is 20228489. The next prime is 20228501. The reversal of 20228496 is 69482202.

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, 4680 + ... + 7896.

Almost surely, 220228496 is an apocalyptic number.

It is an amenable number.

20228496 is an abundant number, since it is smaller than the sum of its proper divisors (32443728).

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

20228496 is a wasteful number, since it uses less digits than its factorization.

20228496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359 (or 3353 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 20228496 is about 4497.6100320059. The cubic root of 20228496 is about 272.4715723789.

The spelling of 20228496 in words is "twenty million, two hundred twenty-eight thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 131 262 393 524 786 1048 1572 2096 3144 3217 6288 6434 9651 12868 19302 25736 38604 51472 77208 154416 421427 842854 1264281 1685708 2528562 3371416 5057124 6742832 10114248 20228496