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233102141 = 552142221
BaseRepresentation
bin11011110010011…
…01101100111101
3121020121211000122
431321031230331
5434133232031
635044104325
75530223036
oct1571155475
9536554018
10233102141
1110a6420a8
12660950a5
13393a727c
1422d5ba8d
15156e747b
hexde4db3d

233102141 has 4 divisors (see below), whose sum is σ = 233149884. Its totient is φ = 233054400.

The previous prime is 233102137. The next prime is 233102153. The reversal of 233102141 is 141201332.

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 164378041 + 68724100 = 12821^2 + 8290^2 .

It is a cyclic number.

It is not a de Polignac number, because 233102141 - 22 = 233102137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233102101) 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, 15590 + ... + 26631.

It is an arithmetic number, because the mean of its divisors is an integer number (58287471).

Almost surely, 2233102141 is an apocalyptic number.

It is an amenable number.

233102141 is a deficient number, since it is larger than the sum of its proper divisors (47743).

233102141 is an equidigital number, since it uses as much as digits as its factorization.

233102141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47742.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 233102141 is about 15267.6828955805. The cubic root of 233102141 is about 615.4348531811.

Adding to 233102141 its reverse (141201332), we get a palindrome (374303473).

The spelling of 233102141 in words is "two hundred thirty-three million, one hundred two thousand, one hundred forty-one".

Divisors: 1 5521 42221 233102141