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202231012 = 2250557753
BaseRepresentation
bin11000000110111…
…00110011100100
3112002112101210111
430003130303210
5403232343022
632022302404
75003635534
oct1403346344
9462471714
10202231012
11a4177175
1257887a04
1332b88929
141cc034c4
1512b4a477
hexc0dcce4

202231012 has 6 divisors (see below), whose sum is σ = 353904278. Its totient is φ = 101115504.

The previous prime is 202231009. The next prime is 202231039. The reversal of 202231012 is 210132202.

It can be written as a sum of positive squares in only one way, i.e., 147233956 + 54997056 = 12134^2 + 7416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202230983 and 202231001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25278873 + ... + 25278880.

Almost surely, 2202231012 is an apocalyptic number.

It is an amenable number.

202231012 is a deficient number, since it is larger than the sum of its proper divisors (151673266).

202231012 is a wasteful number, since it uses less digits than its factorization.

202231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50557757 (or 50557755 counting only the distinct ones).

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

The square root of 202231012 is about 14220.7950551297. The cubic root of 202231012 is about 586.9700180196.

Adding to 202231012 its reverse (210132202), we get a palindrome (412363214).

The spelling of 202231012 in words is "two hundred two million, two hundred thirty-one thousand, twelve".

Divisors: 1 2 4 50557753 101115506 202231012