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202131022 = 2661915269
BaseRepresentation
bin11000000110001…
…00011001001110
3112002100022122011
430003010121032
5403221143042
632020211434
75003041162
oct1403043116
9462308564
10202131022
11a4109035
1257839b7a
1332b52272
141cbb8ca2
1512b2aa17
hexc0c464e

202131022 has 8 divisors (see below), whose sum is σ = 303262200. Its totient is φ = 101043624.

The previous prime is 202131019. The next prime is 202131049. The reversal of 202131022 is 220131202.

202131022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202130993 and 202131011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5604 + ... + 20872.

It is an arithmetic number, because the mean of its divisors is an integer number (37907775).

Almost surely, 2202131022 is an apocalyptic number.

202131022 is a deficient number, since it is larger than the sum of its proper divisors (101131178).

202131022 is a wasteful number, since it uses less digits than its factorization.

202131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21890.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 202131022 is about 14217.2789942380. The cubic root of 202131022 is about 586.8732626520.

Adding to 202131022 its reverse (220131202), we get a palindrome (422262224).

The spelling of 202131022 in words is "two hundred two million, one hundred thirty-one thousand, twenty-two".

Divisors: 1 2 6619 13238 15269 30538 101065511 202131022