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720713025 = 33525918097
BaseRepresentation
bin101010111101010…
…011010101000001
31212020011000102000
4222331103111001
52434000304100
6155303214213
723600650104
oct5275232501
91766130360
10720713025
1133a9073aa
12181447369
13b6412216
146ba0a73b
1543414900
hex2af53541

720713025 has 48 divisors (see below), whose sum is σ = 1346491200. Its totient is φ = 377844480.

The previous prime is 720713003. The next prime is 720713029. The reversal of 720713025 is 520317027.

720713025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 720713025 - 26 = 720712961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 720713025.

It is not an unprimeable number, because it can be changed into a prime (720713029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30777 + ... + 48873.

It is an arithmetic number, because the mean of its divisors is an integer number (28051900).

Almost surely, 2720713025 is an apocalyptic number.

720713025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

720713025 is a deficient number, since it is larger than the sum of its proper divisors (625778175).

720713025 is a wasteful number, since it uses less digits than its factorization.

720713025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18175 (or 18164 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 720713025 is about 26846.0988786080. The cubic root of 720713025 is about 896.5767177744.

The spelling of 720713025 in words is "seven hundred twenty million, seven hundred thirteen thousand, twenty-five".

Divisors: 1 3 5 9 15 25 27 45 59 75 135 177 225 295 531 675 885 1475 1593 2655 4425 7965 13275 18097 39825 54291 90485 162873 271455 452425 488619 814365 1067723 1357275 2443095 3203169 4071825 5338615 9609507 12215475 16015845 26693075 28828521 48047535 80079225 144142605 240237675 720713025