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202097097 = 32140915937
BaseRepresentation
bin11000000101111…
…00000111001001
3112002021121002200
430002330013021
5403214101342
632015350413
75002540236
oct1402740711
9462247080
10202097097
11a40955a4
1257822409
1332b3c9a7
141cbaa78d
1512b2094c
hexc0bc1c9

202097097 has 12 divisors (see below), whose sum is σ = 292143540. Its totient is φ = 134627328.

The previous prime is 202097059. The next prime is 202097101. The reversal of 202097097 is 790790202.

It can be written as a sum of positive squares in 2 ways, for example, as 55711296 + 146385801 = 7464^2 + 12099^2 .

It is not a de Polignac number, because 202097097 - 28 = 202096841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202098097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4713 + ... + 20649.

It is an arithmetic number, because the mean of its divisors is an integer number (24345295).

Almost surely, 2202097097 is an apocalyptic number.

It is an amenable number.

202097097 is a deficient number, since it is larger than the sum of its proper divisors (90046443).

202097097 is a wasteful number, since it uses less digits than its factorization.

202097097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17352 (or 17349 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 202097097 is about 14216.0858537081. The cubic root of 202097097 is about 586.8404278613.

The spelling of 202097097 in words is "two hundred two million, ninety-seven thousand, ninety-seven".

Divisors: 1 3 9 1409 4227 12681 15937 47811 143433 22455233 67365699 202097097