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20834264 = 2311221523
BaseRepresentation
bin100111101111…
…0011111011000
31110012111020102
41033132133120
520313144024
62022314532
7342042203
oct117363730
943174212
1020834264
1110840100
126b88a48
134416089
142aa493a
151c681ae
hex13de7d8

20834264 has 24 divisors (see below), whose sum is σ = 42940380. Its totient is φ = 9469680.

The previous prime is 20834249. The next prime is 20834321. The reversal of 20834264 is 46243802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9794 + ... + 11729.

Almost surely, 220834264 is an apocalyptic number.

It is an amenable number.

20834264 is an abundant number, since it is smaller than the sum of its proper divisors (22106116).

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

20834264 is a wasteful number, since it uses less digits than its factorization.

20834264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21551 (or 21536 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 20834264 is about 4564.4565941632. The cubic root of 20834264 is about 275.1647013384.

The spelling of 20834264 in words is "twenty million, eight hundred thirty-four thousand, two hundred sixty-four".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 21523 43046 86092 172184 236753 473506 947012 1894024 2604283 5208566 10417132 20834264