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20884152 = 233870173
BaseRepresentation
bin100111110101…
…0101010111000
31110022000200010
41033222222320
520321243102
62023341520
7342340512
oct117525270
943260603
1020884152
1110874633
126bb18a0
1344329b3
142ab8bb2
151c77d6c
hex13eaab8

20884152 has 16 divisors (see below), whose sum is σ = 52210440. Its totient is φ = 6961376.

The previous prime is 20884139. The next prime is 20884163. The reversal of 20884152 is 25148802.

It is a super-2 number, since 2×208841522 = 872295609518208, which contains 22 as substring.

It is a congruent number.

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, 435063 + ... + 435110.

Almost surely, 220884152 is an apocalyptic number.

It is an amenable number.

20884152 is an abundant number, since it is smaller than the sum of its proper divisors (31326288).

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

20884152 is a wasteful number, since it uses less digits than its factorization.

20884152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870182 (or 870178 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 20884152 is about 4569.9181611928. The cubic root of 20884152 is about 275.3841551242.

The spelling of 20884152 in words is "twenty million, eight hundred eighty-four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 870173 1740346 2610519 3480692 5221038 6961384 10442076 20884152