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2205317420 = 225110265871
BaseRepresentation
bin1000001101110010…
…0111100100101100
312200200200201202222
42003130213210230
514004030124140
61002455334512
7105435613565
oct20334474454
95620621688
102205317420
11a31931689
12516681438
13291b73a67
1416cc6316c
15cd91c5b5
hex8372792c

2205317420 has 12 divisors (see below), whose sum is σ = 4631166624. Its totient is φ = 882126960.

The previous prime is 2205317417. The next prime is 2205317431. The reversal of 2205317420 is 247135022.

It is a self number, because there is not a number n which added to its sum of digits gives 2205317420.

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, 55132916 + ... + 55132955.

It is an arithmetic number, because the mean of its divisors is an integer number (385930552).

Almost surely, 22205317420 is an apocalyptic number.

2205317420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205317420 is an abundant number, since it is smaller than the sum of its proper divisors (2425849204).

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

2205317420 is a wasteful number, since it uses less digits than its factorization.

2205317420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110265880 (or 110265878 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2205317420 is about 46960.8072758550. The cubic root of 2205317420 is about 1301.6384508814.

The spelling of 2205317420 in words is "two billion, two hundred five million, three hundred seventeen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 110265871 220531742 441063484 551329355 1102658710 2205317420