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3031997228 = 2213217925057
BaseRepresentation
bin1011010010111000…
…1001101100101100
321211022020102021122
42310232021230230
522202142402403
61220510120112
7135064360031
oct26456115454
97738212248
103031997228
111316535437
127074b0038
13394208600
1420a975388
1512b2b4838
hexb4b89b2c

3031997228 has 36 divisors (see below), whose sum is σ = 5777873640. Its totient is φ = 1391510016.

The previous prime is 3031997173. The next prime is 3031997231. The reversal of 3031997228 is 8227991303.

It is a happy number.

3031997228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 108476 + ... + 133532.

It is an arithmetic number, because the mean of its divisors is an integer number (160496490).

Almost surely, 23031997228 is an apocalyptic number.

It is an amenable number.

3031997228 is a deficient number, since it is larger than the sum of its proper divisors (2745876412).

3031997228 is a wasteful number, since it uses less digits than its factorization.

3031997228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25266 (or 25251 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 3031997228 is about 55063.5744208456. The cubic root of 3031997228 is about 1447.3590020985.

The spelling of 3031997228 in words is "three billion, thirty-one million, nine hundred ninety-seven thousand, two hundred twenty-eight".

Divisors: 1 2 4 13 26 52 169 179 338 358 676 716 2327 4654 9308 25057 30251 50114 60502 100228 121004 325741 651482 1302964 4234633 4485203 8469266 8970406 16938532 17940812 58307639 116615278 233230556 757999307 1515998614 3031997228