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2775712242 = 231979893463
BaseRepresentation
bin1010010101110010…
…0000000111110010
321011102222210101010
42211130200013302
521141040242432
61135233051350
7125533110342
oct24534400762
97142883333
102775712242
1111a48a9766
126556b6b56
133530a52a4
141c4900d22
15113a3d3cc
hexa57201f2

2775712242 has 64 divisors (see below), whose sum is σ = 5985792000. Its totient is φ = 855474048.

The previous prime is 2775712217. The next prime is 2775712249. The reversal of 2775712242 is 2422175772.

It is a self number, because there is not a number n which added to its sum of digits gives 2775712242.

It is not an unprimeable number, because it can be changed into a prime (2775712249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 799803 + ... + 803265.

It is an arithmetic number, because the mean of its divisors is an integer number (93528000).

Almost surely, 22775712242 is an apocalyptic number.

2775712242 is an abundant number, since it is smaller than the sum of its proper divisors (3210079758).

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

2775712242 is a wasteful number, since it uses less digits than its factorization.

2775712242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655.

The product of its digits is 109760, while the sum is 39.

The square root of 2775712242 is about 52685.0286324303. The cubic root of 2775712242 is about 1405.3725943684.

The spelling of 2775712242 in words is "two billion, seven hundred seventy-five million, seven hundred twelve thousand, two hundred forty-two".

Divisors: 1 2 3 6 19 38 57 79 89 114 158 178 237 267 474 534 1501 1691 3002 3382 3463 4503 5073 6926 7031 9006 10146 10389 14062 20778 21093 42186 65797 131594 133589 197391 267178 273577 308207 394782 400767 547154 616414 801534 820731 924621 1641462 1849242 5197963 5855933 10395926 11711866 15593889 17567799 24348353 31187778 35135598 48696706 73045059 146090118 462618707 925237414 1387856121 2775712242