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202129293 = 367376431
BaseRepresentation
bin11000000110000…
…11111110001101
3112002100020021010
430003003332031
5403221114133
632020155433
75003033142
oct1403037615
9462306233
10202129293
11a4107803
1257838b79
1332b51542
141cbb83c9
1512b2a263
hexc0c3f8d

202129293 has 4 divisors (see below), whose sum is σ = 269505728. Its totient is φ = 134752860.

The previous prime is 202129259. The next prime is 202129297. The reversal of 202129293 is 392921202.

It is a happy number.

202129293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 202129293 - 212 = 202125197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202129293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202129297) 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, 33688213 + ... + 33688218.

It is an arithmetic number, because the mean of its divisors is an integer number (67376432).

Almost surely, 2202129293 is an apocalyptic number.

It is an amenable number.

202129293 is a deficient number, since it is larger than the sum of its proper divisors (67376435).

202129293 is an equidigital number, since it uses as much as digits as its factorization.

202129293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67376434.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 202129293 is about 14217.2181878172. The cubic root of 202129293 is about 586.8715893038.

The spelling of 202129293 in words is "two hundred two million, one hundred twenty-nine thousand, two hundred ninety-three".

Divisors: 1 3 67376431 202129293