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725463 = 3397277
BaseRepresentation
bin10110001000111010111
31100212011000
42301013113
5141203323
623314343
76111024
oct2610727
91325130
10725463
11456062
122ab9b3
131c528b
1414c54b
15e4e43
hexb11d7

725463 has 16 divisors (see below), whose sum is σ = 1089760. Its totient is φ = 476928.

The previous prime is 725449. The next prime is 725479. The reversal of 725463 is 364527.

It is a happy number.

It is not a de Polignac number, because 725463 - 24 = 725447 is a prime.

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

It is a d-powerful number, because it can be written as 76 + 219 + 46 + 57 + 64 + 32 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2481 + ... + 2757.

It is an arithmetic number, because the mean of its divisors is an integer number (68110).

2725463 is an apocalyptic number.

725463 is a deficient number, since it is larger than the sum of its proper divisors (364297).

725463 is a wasteful number, since it uses less digits than its factorization.

725463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 377 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 725463 is about 851.7411578643. The cubic root of 725463 is about 89.8542084032.

The spelling of 725463 in words is "seven hundred twenty-five thousand, four hundred sixty-three".

Divisors: 1 3 9 27 97 277 291 831 873 2493 2619 7479 26869 80607 241821 725463