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202272139 is a prime number
BaseRepresentation
bin11000000111001…
…10110110001011
3112002121111012201
430003212312023
5403240202024
632023221031
75004166456
oct1403466613
9462544181
10202272139
11a41a5063
12578a7777
1332ba1574
141cc1449d
1512b57744
hexc0e6d8b

202272139 has 2 divisors, whose sum is σ = 202272140. Its totient is φ = 202272138.

The previous prime is 202272127. The next prime is 202272173. The reversal of 202272139 is 931272202.

202272139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202272139 - 211 = 202270091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202272439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101136069 + 101136070.

It is an arithmetic number, because the mean of its divisors is an integer number (101136070).

Almost surely, 2202272139 is an apocalyptic number.

202272139 is a deficient number, since it is larger than the sum of its proper divisors (1).

202272139 is an equidigital number, since it uses as much as digits as its factorization.

202272139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 202272139 is about 14222.2409978175. The cubic root of 202272139 is about 587.0098053227.

It can be divided in two parts, 20227 and 2139, that added together give a triangular number (22366 = T211).

The spelling of 202272139 in words is "two hundred two million, two hundred seventy-two thousand, one hundred thirty-nine".