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2117260 = 225105863
BaseRepresentation
bin1000000100111010001100
310222120100001
420010322030
51020223020
6113214044
723665525
oct10047214
93876301
102117260
111216802
12861324
13591922
143d184c
152bc50a
hex204e8c

2117260 has 12 divisors (see below), whose sum is σ = 4446288. Its totient is φ = 846896.

The previous prime is 2117239. The next prime is 2117273. The reversal of 2117260 is 627112.

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, 52912 + ... + 52951.

It is an arithmetic number, because the mean of its divisors is an integer number (370524).

22117260 is an apocalyptic number.

2117260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2117260 is an abundant number, since it is smaller than the sum of its proper divisors (2329028).

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

2117260 is a wasteful number, since it uses less digits than its factorization.

2117260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105872 (or 105870 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2117260 is about 1455.0807537728. The cubic root of 2117260 is about 128.4077977168.

The spelling of 2117260 in words is "two million, one hundred seventeen thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 105863 211726 423452 529315 1058630 2117260