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8364725 = 525359107
BaseRepresentation
bin11111111010001010110101
3120201222020122
4133322022311
54120132400
6455141325
7131045645
oct37721265
916658218
108364725
1147a35a6
122974845
13196b455
14117a525
15b03685
hex7fa2b5

8364725 has 24 divisors (see below), whose sum is σ = 10847520. Its totient is φ = 6393920.

The previous prime is 8364721. The next prime is 8364739. The reversal of 8364725 is 5274638.

It is a happy number.

It is not a de Polignac number, because 8364725 - 22 = 8364721 is a prime.

It is a super-3 number, since 3×83647253 (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (40320) is a multiple of the sum of its prime divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8364721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78122 + ... + 78228.

It is an arithmetic number, because the mean of its divisors is an integer number (451980).

Almost surely, 28364725 is an apocalyptic number.

It is an amenable number.

8364725 is a deficient number, since it is larger than the sum of its proper divisors (2482795).

8364725 is a wasteful number, since it uses less digits than its factorization.

8364725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 224 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 8364725 is about 2892.1834312505. The cubic root of 8364725 is about 202.9943214699.

The spelling of 8364725 in words is "eight million, three hundred sixty-four thousand, seven hundred twenty-five".

Divisors: 1 5 25 53 59 107 265 295 535 1325 1475 2675 3127 5671 6313 15635 28355 31565 78175 141775 157825 334589 1672945 8364725