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2090206568 = 2319411492251
BaseRepresentation
bin111110010010110…
…0000010101101000
312101200002111101002
41330211200111220
513240043102233
6543224214132
7102540314462
oct17445402550
95350074332
102090206568
1198295a14a
124a400a348
1327406c328
1415b85b132
15c37806e8
hex7c960568

2090206568 has 64 divisors (see below), whose sum is σ = 4256280000. Its totient is φ = 959040000.

The previous prime is 2090206567. The next prime is 2090206619. The reversal of 2090206568 is 8656020902.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (2090206561) 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, 927443 + ... + 929693.

It is an arithmetic number, because the mean of its divisors is an integer number (66504375).

Almost surely, 22090206568 is an apocalyptic number.

It is an amenable number.

2090206568 is an abundant number, since it is smaller than the sum of its proper divisors (2166073432).

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

2090206568 is a wasteful number, since it uses less digits than its factorization.

2090206568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2090206568 is about 45718.7769740180. The cubic root of 2090206568 is about 1278.5853854319.

The spelling of 2090206568 in words is "two billion, ninety million, two hundred six thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 19 38 41 76 82 149 152 164 298 328 596 779 1192 1558 2251 2831 3116 4502 5662 6109 6232 9004 11324 12218 18008 22648 24436 42769 48872 85538 92291 116071 171076 184582 232142 335399 342152 369164 464284 670798 738328 928568 1341596 1753529 2683192 3507058 6372581 7014116 12745162 13751359 14028232 25490324 27502718 50980648 55005436 110010872 261275821 522551642 1045103284 2090206568