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20850612 = 2231737551
BaseRepresentation
bin100111110001…
…0011110110100
31110020022122220
41033202132310
520314204422
62022522340
7342140646
oct117423664
943208586
1020850612
1110851412
126b963b0
134420653
142aaa896
151c6ce5c
hex13e27b4

20850612 has 12 divisors (see below), whose sum is σ = 48651456. Its totient is φ = 6950200.

The previous prime is 20850611. The next prime is 20850617. The reversal of 20850612 is 21605802.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20850611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868764 + ... + 868787.

It is an arithmetic number, because the mean of its divisors is an integer number (4054288).

Almost surely, 220850612 is an apocalyptic number.

It is an amenable number.

20850612 is an abundant number, since it is smaller than the sum of its proper divisors (27800844).

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

20850612 is a wasteful number, since it uses less digits than its factorization.

20850612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737558 (or 1737556 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 20850612 is about 4566.2470366812. The cubic root of 20850612 is about 275.2366535876.

The spelling of 20850612 in words is "twenty million, eight hundred fifty thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 1737551 3475102 5212653 6950204 10425306 20850612