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20292102 = 2327315443
BaseRepresentation
bin100110101101…
…0001000000110
31102011221112100
41031122020012
520143321402
62002532530
7334323435
oct115321006
942157470
1020292102
11104aa836
126967146
13428637c
1429a311c
151bac71c
hex135a206

20292102 has 24 divisors (see below), whose sum is σ = 44571384. Its totient is φ = 6670944.

The previous prime is 20292079. The next prime is 20292113. The reversal of 20292102 is 20129202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6408 + ... + 9035.

It is an arithmetic number, because the mean of its divisors is an integer number (1857141).

Almost surely, 220292102 is an apocalyptic number.

20292102 is an abundant number, since it is smaller than the sum of its proper divisors (24279282).

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

20292102 is a wasteful number, since it uses less digits than its factorization.

20292102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15524 (or 15521 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 20292102 is about 4504.6755710040. The cubic root of 20292102 is about 272.7568579420.

The spelling of 20292102 in words is "twenty million, two hundred ninety-two thousand, one hundred two".

Divisors: 1 2 3 6 9 18 73 146 219 438 657 1314 15443 30886 46329 92658 138987 277974 1127339 2254678 3382017 6764034 10146051 20292102