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720712416 = 25317441613
BaseRepresentation
bin101010111101010…
…011001011100000
31212020010222120110
4222331103023200
52434000244131
6155303211320
723600645244
oct5275231340
91766128513
10720712416
1133a9069a6
12181446b40
13b6411b68
146ba0a424
1543414646
hex2af532e0

720712416 has 48 divisors (see below), whose sum is σ = 2003161104. Its totient is φ = 226105344.

The previous prime is 720712411. The next prime is 720712451. The reversal of 720712416 is 614217027.

720712416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720712411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219175 + ... + 222438.

It is an arithmetic number, because the mean of its divisors is an integer number (41732523).

Almost surely, 2720712416 is an apocalyptic number.

It is an amenable number.

720712416 is an abundant number, since it is smaller than the sum of its proper divisors (1282448688).

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

720712416 is a wasteful number, since it uses less digits than its factorization.

720712416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441643 (or 441635 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 720712416 is about 26846.0875361755. The cubic root of 720712416 is about 896.5764652396.

The spelling of 720712416 in words is "seven hundred twenty million, seven hundred twelve thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1632 441613 883226 1324839 1766452 2649678 3532904 5299356 7065808 7507421 10598712 14131616 15014842 21197424 22522263 30029684 42394848 45044526 60059368 90089052 120118736 180178104 240237472 360356208 720712416