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720725052 = 223298592411
BaseRepresentation
bin101010111101010…
…110010000111100
31212020011121220110
4222331112100330
52434001200202
6155303350020
723601030135
oct5275262074
91766147813
10720725052
1133a915443
12181452310
13b6417838
146ba10c8c
154341826c
hex2af5643c

720725052 has 48 divisors (see below), whose sum is σ = 1742428800. Its totient is φ = 231591360.

The previous prime is 720725051. The next prime is 720725141. The reversal of 720725052 is 250527027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720725051) 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, 297727 + ... + 300137.

It is an arithmetic number, because the mean of its divisors is an integer number (36300600).

Almost surely, 2720725052 is an apocalyptic number.

It is an amenable number.

720725052 is an abundant number, since it is smaller than the sum of its proper divisors (1021703748).

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

720725052 is a wasteful number, since it uses less digits than its factorization.

720725052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306 (or 3304 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 720725052 is about 26846.3228766995. The cubic root of 720725052 is about 896.5817049967.

The spelling of 720725052 in words is "seven hundred twenty million, seven hundred twenty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 859 1718 2411 2577 3436 4822 5154 7233 9644 10308 14466 24911 28932 49822 69919 74733 99644 139838 149466 209757 279676 298932 419514 839028 2071049 4142098 6213147 8284196 12426294 24852588 60060421 120120842 180181263 240241684 360362526 720725052