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20846084 = 227744503
BaseRepresentation
bin100111110000…
…1011000000100
31110020002110012
41033201120010
520314033314
62022445352
7342121520
oct117413004
943202405
1020846084
1110848a76
126b93858
13441b57c
142aa8d80
151c6b93e
hex13e1604

20846084 has 12 divisors (see below), whose sum is σ = 41692224. Its totient is φ = 8934024.

The previous prime is 20846069. The next prime is 20846087. The reversal of 20846084 is 48064802.

20846084 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20846084.

It is not an unprimeable number, because it can be changed into a prime (20846087) 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, 372224 + ... + 372279.

It is an arithmetic number, because the mean of its divisors is an integer number (3474352).

Almost surely, 220846084 is an apocalyptic number.

It is an amenable number.

20846084 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20846084 is a wasteful number, since it uses less digits than its factorization.

20846084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744514 (or 744512 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 20846084 is about 4565.7511977768. The cubic root of 20846084 is about 275.2167283244.

The spelling of 20846084 in words is "twenty million, eight hundred forty-six thousand, eighty-four".

Divisors: 1 2 4 7 14 28 744503 1489006 2978012 5211521 10423042 20846084