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2660023228 = 222273378693
BaseRepresentation
bin1001111010001100…
…1011101110111100
320212101022011212211
42132203023232330
520421431220403
61115541310204
7122626552522
oct23643135674
96771264784
102660023228
111145571905
12622a05364
1333512a655
141b33c8312
151087da06d
hex9e8cbbbc

2660023228 has 24 divisors (see below), whose sum is σ = 4689960912. Its totient is φ = 1320071424.

The previous prime is 2660023153. The next prime is 2660023229. The reversal of 2660023228 is 8223200662.

It is a self number, because there is not a number n which added to its sum of digits gives 2660023228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660023229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301650 + ... + 310342.

It is an arithmetic number, because the mean of its divisors is an integer number (195415038).

Almost surely, 22660023228 is an apocalyptic number.

It is an amenable number.

2660023228 is a deficient number, since it is larger than the sum of its proper divisors (2029937684).

2660023228 is a wasteful number, since it uses less digits than its factorization.

2660023228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261 (or 9259 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2660023228 is about 51575.4130182202. The cubic root of 2660023228 is about 1385.5700152976.

The spelling of 2660023228 in words is "two billion, six hundred sixty million, twenty-three thousand, two hundred twenty-eight".

Divisors: 1 2 4 227 337 454 674 908 1348 8693 17386 34772 76499 152998 305996 1973311 2929541 3946622 5859082 7893244 11718164 665005807 1330011614 2660023228