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1980584874 = 232239460387
BaseRepresentation
bin111011000001101…
…0101001110101010
312010000211010200100
41312003111032222
513024012203444
6524310450230
7100036456632
oct16603251652
95100733610
101980584874
11926a96804
12473363976
1325743a218
1414b0836c2
15b8d29e69
hex760d53aa

1980584874 has 24 divisors (see below), whose sum is σ = 4309231680. Its totient is φ = 657431208.

The previous prime is 1980584869. The next prime is 1980584911. The reversal of 1980584874 is 4784850891.

It is a self number, because there is not a number n which added to its sum of digits gives 1980584874.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225892 + ... + 234495.

It is an arithmetic number, because the mean of its divisors is an integer number (179551320).

Almost surely, 21980584874 is an apocalyptic number.

1980584874 is an abundant number, since it is smaller than the sum of its proper divisors (2328646806).

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

1980584874 is a wasteful number, since it uses less digits than its factorization.

1980584874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460634 (or 460631 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The square root of 1980584874 is about 44503.7624701553. The cubic root of 1980584874 is about 1255.8308649723.

The spelling of 1980584874 in words is "one billion, nine hundred eighty million, five hundred eighty-four thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 239 478 717 1434 2151 4302 460387 920774 1381161 2762322 4143483 8286966 110032493 220064986 330097479 660194958 990292437 1980584874