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235025137 = 1971193021
BaseRepresentation
bin11100000001000…
…11001011110001
3121101020111212201
432000203023301
5440131301022
635153223201
75552452324
oct1600431361
9541214781
10235025137
11110735956
1266861b01
13398cb639
14232dc7bb
1515977127
hexe0232f1

235025137 has 4 divisors (see below), whose sum is σ = 236218356. Its totient is φ = 233831920.

The previous prime is 235025129. The next prime is 235025149. The reversal of 235025137 is 731520532.

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 162843121 + 72182016 = 12761^2 + 8496^2 .

It is a cyclic number.

It is not a de Polignac number, because 235025137 - 23 = 235025129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235025107) 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, 596314 + ... + 596707.

It is an arithmetic number, because the mean of its divisors is an integer number (59054589).

Almost surely, 2235025137 is an apocalyptic number.

It is an amenable number.

235025137 is a deficient number, since it is larger than the sum of its proper divisors (1193219).

235025137 is a wasteful number, since it uses less digits than its factorization.

235025137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193218.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 235025137 is about 15330.5295733709. The cubic root of 235025137 is about 617.1225814113.

Adding to 235025137 its reverse (731520532), we get a palindrome (966545669).

The spelling of 235025137 in words is "two hundred thirty-five million, twenty-five thousand, one hundred thirty-seven".

Divisors: 1 197 1193021 235025137