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164275613 = 501132783
BaseRepresentation
bin10011100101010…
…10010110011101
3102110010001202222
421302222112131
5314023304423
624144555125
74033214435
oct1162522635
9373101688
10164275613
1184802777
1247022aa5
1328059908
1417b632c5
15e64e3c8
hex9caa59d

164275613 has 4 divisors (see below), whose sum is σ = 164313408. Its totient is φ = 164237820.

The previous prime is 164275589. The next prime is 164275619. The reversal of 164275613 is 316572461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164275613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164275619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11381 + ... + 21402.

It is an arithmetic number, because the mean of its divisors is an integer number (41078352).

Almost surely, 2164275613 is an apocalyptic number.

It is an amenable number.

164275613 is a deficient number, since it is larger than the sum of its proper divisors (37795).

164275613 is an equidigital number, since it uses as much as digits as its factorization.

164275613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37794.

The product of its digits is 30240, while the sum is 35.

The square root of 164275613 is about 12817.0048373245. The cubic root of 164275613 is about 547.6768267409.

The spelling of 164275613 in words is "one hundred sixty-four million, two hundred seventy-five thousand, six hundred thirteen".

Divisors: 1 5011 32783 164275613