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2780970244 = 2213172331039
BaseRepresentation
bin1010010111000010…
…0011110100000100
321011210212220222221
42211300203310010
521143412021434
61135541502124
7125625566653
oct24560436404
97153786887
102780970244
1111a7870118
12657411944
133541c6630
141c54ad19a
1511422b2b4
hexa5c23d04

2780970244 has 24 divisors (see below), whose sum is σ = 5244270080. Its totient is φ = 1282738464.

The previous prime is 2780970239. The next prime is 2780970253. The reversal of 2780970244 is 4420790872.

It is a self number, because there is not a number n which added to its sum of digits gives 2780970244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74077 + ... + 105115.

Almost surely, 22780970244 is an apocalyptic number.

It is an amenable number.

2780970244 is a deficient number, since it is larger than the sum of its proper divisors (2463299836).

2780970244 is a wasteful number, since it uses less digits than its factorization.

2780970244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32779 (or 32777 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 2780970244 is about 52734.9053663700. The cubic root of 2780970244 is about 1406.2594287197.

The spelling of 2780970244 in words is "two billion, seven hundred eighty million, nine hundred seventy thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 1723 3446 6892 22399 31039 44798 62078 89596 124156 403507 807014 1614028 53480197 106960394 213920788 695242561 1390485122 2780970244