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2790406572 = 223232533881
BaseRepresentation
bin1010011001010010…
…0011100110101100
321012110122100012120
42212110203212230
521203321002242
61140520032540
7126102031062
oct24624434654
97173570176
102790406572
111202125838
1265a602750
1335614b765
141c6848032
15114e921ec
hexa65239ac

2790406572 has 12 divisors (see below), whose sum is σ = 6510948696. Its totient is φ = 930135520.

The previous prime is 2790406559. The next prime is 2790406573. The reversal of 2790406572 is 2756040972.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2790406573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116266929 + ... + 116266952.

It is an arithmetic number, because the mean of its divisors is an integer number (542579058).

Almost surely, 22790406572 is an apocalyptic number.

It is an amenable number.

2790406572 is an abundant number, since it is smaller than the sum of its proper divisors (3720542124).

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

2790406572 is a wasteful number, since it uses less digits than its factorization.

2790406572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232533888 (or 232533886 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 2790406572 is about 52824.2990677586. The cubic root of 2790406572 is about 1407.8481960940.

The spelling of 2790406572 in words is "two billion, seven hundred ninety million, four hundred six thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 232533881 465067762 697601643 930135524 1395203286 2790406572