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725680484 = 224167211313
BaseRepresentation
bin101011010000010…
…000000101100100
31212120111101110222
4223100100011210
52441233233414
6200001503512
723661116354
oct5320200544
91776441428
10725680484
1134269a541
12183041b98
13b7461249
146c540b64
1543a9668e
hex2b410164

725680484 has 48 divisors (see below), whose sum is σ = 1330827456. Its totient is φ = 345945600.

The previous prime is 725680469. The next prime is 725680489. The reversal of 725680484 is 484086527.

It is a super-2 number, since 2×7256804842 = 1053224329716948512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (725680489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2318312 + ... + 2318624.

It is an arithmetic number, because the mean of its divisors is an integer number (27725572).

Almost surely, 2725680484 is an apocalyptic number.

It is an amenable number.

725680484 is a deficient number, since it is larger than the sum of its proper divisors (605146972).

725680484 is a wasteful number, since it uses less digits than its factorization.

725680484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 725680484 is about 26938.4573426171. The cubic root of 725680484 is about 898.6318653173.

The spelling of 725680484 in words is "seven hundred twenty-five million, six hundred eighty thousand, four hundred eighty-four".

Divisors: 1 2 4 41 67 82 134 164 211 268 313 422 626 844 1252 2747 5494 8651 10988 12833 14137 17302 20971 25666 28274 34604 41942 51332 56548 66043 83884 132086 264172 579617 859811 1159234 1719622 2318468 2707763 3439244 4424881 5415526 8849762 10831052 17699524 181420121 362840242 725680484