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2684739474 = 232149399901
BaseRepresentation
bin1010000000000101…
…1101111110010010
320221002210220012100
42200001131332102
520444243130344
61122223141230
7123346623534
oct24001357622
96832726170
102684739474
11115851355a
1262b144816
1333a2a2651
141b67bd854
1510aa6d569
hexa005df92

2684739474 has 24 divisors (see below), whose sum is σ = 5820889932. Its totient is φ = 894304800.

The previous prime is 2684739451. The next prime is 2684739493. The reversal of 2684739474 is 4749374862.

2684739474 is a `hidden beast` number, since 26 + 84 + 73 + 9 + 474 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2019873249 + 664866225 = 44943^2 + 25785^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2684739474.

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, 23077 + ... + 76824.

Almost surely, 22684739474 is an apocalyptic number.

2684739474 is an abundant number, since it is smaller than the sum of its proper divisors (3136150458).

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

2684739474 is a wasteful number, since it uses less digits than its factorization.

2684739474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101402 (or 101399 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 2684739474 is about 51814.4716657422. The cubic root of 2684739474 is about 1389.8482442194.

The spelling of 2684739474 in words is "two billion, six hundred eighty-four million, seven hundred thirty-nine thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 1493 2986 4479 8958 13437 26874 99901 199802 299703 599406 899109 1798218 149152193 298304386 447456579 894913158 1342369737 2684739474