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153135305 = 530627061
BaseRepresentation
bin10010010000010…
…10100011001001
3101200011002010222
421020022203021
5303200312210
623110115425
73536425421
oct1110124311
9350132128
10153135305
1179493904
124334bb75
132595900b
14164a3481
15d69d655
hex920a8c9

153135305 has 4 divisors (see below), whose sum is σ = 183762372. Its totient is φ = 122508240.

The previous prime is 153135263. The next prime is 153135313. The reversal of 153135305 is 503531351.

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 38837824 + 114297481 = 6232^2 + 10691^2 .

It is not a de Polignac number, because 153135305 - 214 = 153118921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15313526 + ... + 15313535.

It is an arithmetic number, because the mean of its divisors is an integer number (45940593).

Almost surely, 2153135305 is an apocalyptic number.

It is an amenable number.

153135305 is a deficient number, since it is larger than the sum of its proper divisors (30627067).

153135305 is an equidigital number, since it uses as much as digits as its factorization.

153135305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30627066.

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 153135305 is about 12374.7850486382. The cubic root of 153135305 is about 535.0057413423.

Adding to 153135305 its reverse (503531351), we get a palindrome (656666656).

The spelling of 153135305 in words is "one hundred fifty-three million, one hundred thirty-five thousand, three hundred five".

Divisors: 1 5 30627061 153135305