Search a number
-
+
202431412 = 22424111933
BaseRepresentation
bin11000001000011…
…01101110110100
3112002220120200201
430010031232310
5403310301122
632030450244
75005432021
oct1404155664
9462816621
10202431412
11a42a3797
1257963984
1332c28c01
141cc56548
1512b89a27
hexc10dbb4

202431412 has 12 divisors (see below), whose sum is σ = 354368196. Its totient is φ = 101183360.

The previous prime is 202431379. The next prime is 202431413. The reversal of 202431412 is 214134202.

It can be written as a sum of positive squares in 2 ways, for example, as 188622756 + 13808656 = 13734^2 + 3716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202431412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202431413) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10998 + ... + 22930.

It is an arithmetic number, because the mean of its divisors is an integer number (29530683).

Almost surely, 2202431412 is an apocalyptic number.

It is an amenable number.

202431412 is a deficient number, since it is larger than the sum of its proper divisors (151936784).

202431412 is a wasteful number, since it uses less digits than its factorization.

202431412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16178 (or 16176 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 202431412 is about 14227.8393299896. The cubic root of 202431412 is about 587.1638391968.

Adding to 202431412 its reverse (214134202), we get a palindrome (416565614).

The spelling of 202431412 in words is "two hundred two million, four hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 4241 8482 11933 16964 23866 47732 50607853 101215706 202431412