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153135233 = 228766959
BaseRepresentation
bin10010010000010…
…10100010000001
3101200011002001022
421020022202001
5303200311413
623110115225
73536425256
oct1110124201
9350132038
10153135233
1179493849
124334bb15
1325958c84
14164a342d
15d69d608
hex920a881

153135233 has 4 divisors (see below), whose sum is σ = 153204480. Its totient is φ = 153065988.

The previous prime is 153135217. The next prime is 153135251. The reversal of 153135233 is 332531351.

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 not a de Polignac number, because 153135233 - 24 = 153135217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153135253) 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, 31193 + ... + 35766.

It is an arithmetic number, because the mean of its divisors is an integer number (38301120).

Almost surely, 2153135233 is an apocalyptic number.

It is an amenable number.

153135233 is a deficient number, since it is larger than the sum of its proper divisors (69247).

153135233 is an equidigital number, since it uses as much as digits as its factorization.

153135233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69246.

The product of its digits is 4050, while the sum is 26.

The square root of 153135233 is about 12374.7821394964. The cubic root of 153135233 is about 535.0056574940.

Adding to 153135233 its reverse (332531351), we get a palindrome (485666584).

The spelling of 153135233 in words is "one hundred fifty-three million, one hundred thirty-five thousand, two hundred thirty-three".

Divisors: 1 2287 66959 153135233