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2220856272 = 24335140871
BaseRepresentation
bin1000010001011111…
…1001001111010000
312201202221012002000
42010113321033100
514022014400042
61004212354000
7106014652425
oct20427711720
95652835060
102220856272
11a3a685208
1251b915900
1329515474b
14170d49d4c
15cee8b74c
hex845f93d0

2220856272 has 40 divisors (see below), whose sum is σ = 6374681280. Its totient is φ = 740285280.

The previous prime is 2220856271. The next prime is 2220856273. The reversal of 2220856272 is 2726580222.

2220856272 is a `hidden beast` number, since 2 + 2 + 20 + 8 + 5 + 627 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2220856271) and next prime (2220856273).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220856271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2570004 + ... + 2570867.

It is an arithmetic number, because the mean of its divisors is an integer number (159367032).

Almost surely, 22220856272 is an apocalyptic number.

It is an amenable number.

2220856272 is an abundant number, since it is smaller than the sum of its proper divisors (4153825008).

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

2220856272 is a wasteful number, since it uses less digits than its factorization.

2220856272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140888 (or 5140876 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2220856272 is about 47125.9617620691. The cubic root of 2220856272 is about 1304.6884498714.

The spelling of 2220856272 in words is "two billion, two hundred twenty million, eight hundred fifty-six thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 5140871 10281742 15422613 20563484 30845226 41126968 46267839 61690452 82253936 92535678 123380904 138803517 185071356 246761808 277607034 370142712 555214068 740285424 1110428136 2220856272