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2197827852 = 22311113147347
BaseRepresentation
bin1000001100000000…
…0011000100001100
312200011121020000120
42003000003010030
514000120442402
61002031024540
7105315141243
oct20300030414
95604536016
102197827852
11a28686660
1251406b150
13290450a6c
1416bc7395a
15cce3d3bc
hex8300310c

2197827852 has 48 divisors (see below), whose sum is σ = 5644017792. Its totient is φ = 660110080.

The previous prime is 2197827833. The next prime is 2197827857. The reversal of 2197827852 is 2587287912.

It is a junction number, because it is equal to n+sod(n) for n = 2197827795 and 2197827804.

It is not an unprimeable number, because it can be changed into a prime (2197827857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58758 + ... + 88589.

It is an arithmetic number, because the mean of its divisors is an integer number (117583704).

Almost surely, 22197827852 is an apocalyptic number.

2197827852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2197827852 is an abundant number, since it is smaller than the sum of its proper divisors (3446189940).

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

2197827852 is a wasteful number, since it uses less digits than its factorization.

2197827852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147478 (or 147476 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 51.

The square root of 2197827852 is about 46880.9967044217. The cubic root of 2197827852 is about 1300.1632639134.

The spelling of 2197827852 in words is "two billion, one hundred ninety-seven million, eight hundred twenty-seven thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 113 132 226 339 452 678 1243 1356 2486 3729 4972 7458 14916 147347 294694 442041 589388 884082 1620817 1768164 3241634 4862451 6483268 9724902 16650211 19449804 33300422 49950633 66600844 99901266 183152321 199802532 366304642 549456963 732609284 1098913926 2197827852