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147165313 = 389378317
BaseRepresentation
bin10001100010110…
…01000010000001
3101020220202212011
420301121002001
5300133242223
622334132521
73434612251
oct1061310201
9336822764
10147165313
1176086529
1241351141
1324648889
141578b961
15cdbe80d
hex8c59081

147165313 has 4 divisors (see below), whose sum is σ = 147544020. Its totient is φ = 146786608.

The previous prime is 147165301. The next prime is 147165323. The reversal of 147165313 is 313561741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313561741 = 1186726423.

It can be written as a sum of positive squares in 2 ways, for example, as 56972304 + 90193009 = 7548^2 + 9497^2 .

It is a cyclic number.

It is not a de Polignac number, because 147165313 - 213 = 147157121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147165323) 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, 188770 + ... + 189547.

It is an arithmetic number, because the mean of its divisors is an integer number (36886005).

Almost surely, 2147165313 is an apocalyptic number.

It is an amenable number.

147165313 is a deficient number, since it is larger than the sum of its proper divisors (378707).

147165313 is an equidigital number, since it uses as much as digits as its factorization.

147165313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378706.

The product of its digits is 7560, while the sum is 31.

The square root of 147165313 is about 12131.1711306040. The cubic root of 147165313 is about 527.9609716809.

The spelling of 147165313 in words is "one hundred forty-seven million, one hundred sixty-five thousand, three hundred thirteen".

Divisors: 1 389 378317 147165313