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164204325 = 32522692713
BaseRepresentation
bin10011100100110…
…00111100100101
3102102222102222200
421302120330211
5314014014300
624143245113
74032466545
oct1162307445
9372872880
10164204325
118476415a
1246ba9799
132803332c
1417b45325
15e638200
hex9c98f25

164204325 has 36 divisors (see below), whose sum is σ = 295310340. Its totient is φ = 87217920.

The previous prime is 164204311. The next prime is 164204333. The reversal of 164204325 is 523402461.

164204325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 799236 + 163405089 = 894^2 + 12783^2 .

It is not a de Polignac number, because 164204325 - 27 = 164204197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59169 + ... + 61881.

It is an arithmetic number, because the mean of its divisors is an integer number (8203065).

Almost surely, 2164204325 is an apocalyptic number.

164204325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164204325 is a deficient number, since it is larger than the sum of its proper divisors (131106015).

164204325 is a wasteful number, since it uses less digits than its factorization.

164204325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998 (or 2990 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 164204325 is about 12814.2235426108. The cubic root of 164204325 is about 547.5975931613.

Adding to 164204325 its reverse (523402461), we get a palindrome (687606786).

The spelling of 164204325 in words is "one hundred sixty-four million, two hundred four thousand, three hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 269 807 1345 2421 2713 4035 6725 8139 12105 13565 20175 24417 40695 60525 67825 122085 203475 610425 729797 2189391 3648985 6568173 10946955 18244925 32840865 54734775 164204325