Search a number
-
+
685474804 = 22724481243
BaseRepresentation
bin101000110110111…
…000001111110100
31202202211201122201
4220312320033310
52400440143204
6152004034244
722662303550
oct5066701764
91682751581
10685474804
11321a29403
12171692984
13ac024bc1
1467076860
15402a39a4
hex28db83f4

685474804 has 12 divisors (see below), whose sum is σ = 1370949664. Its totient is φ = 293774904.

The previous prime is 685474787. The next prime is 685474813. The reversal of 685474804 is 408474586.

685474804 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12240594 + ... + 12240649.

Almost surely, 2685474804 is an apocalyptic number.

It is an amenable number.

685474804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

685474804 is a wasteful number, since it uses less digits than its factorization.

685474804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24481254 (or 24481252 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The square root of 685474804 is about 26181.5737494903. The cubic root of 685474804 is about 881.7196075682.

The spelling of 685474804 in words is "six hundred eighty-five million, four hundred seventy-four thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 24481243 48962486 97924972 171368701 342737402 685474804