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147289013 = 257573109
BaseRepresentation
bin10001100011101…
…11001110110101
3101021011001112122
420301313032311
5300201222023
622340525325
73435636014
oct1061671665
9337131478
10147289013
1176160463
12413b0845
132468cc81
14157c0a7b
15cde62c8
hex8c773b5

147289013 has 4 divisors (see below), whose sum is σ = 147862380. Its totient is φ = 146715648.

The previous prime is 147289001. The next prime is 147289027. The reversal of 147289013 is 310982741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141538609 + 5750404 = 11897^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 147289013 - 26 = 147288949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147283013) 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, 286298 + ... + 286811.

It is an arithmetic number, because the mean of its divisors is an integer number (36965595).

Almost surely, 2147289013 is an apocalyptic number.

It is an amenable number.

147289013 is a deficient number, since it is larger than the sum of its proper divisors (573367).

147289013 is an equidigital number, since it uses as much as digits as its factorization.

147289013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573366.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 147289013 is about 12136.2684957115. The cubic root of 147289013 is about 528.1088563533.

The spelling of 147289013 in words is "one hundred forty-seven million, two hundred eighty-nine thousand, thirteen".

Divisors: 1 257 573109 147289013