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202441431 = 3292326913
BaseRepresentation
bin11000001000100…
…00001011010111
3112002221002102210
430010100023113
5403311111211
632031004503
75005503153
oct1404201327
9462832383
10202441431
11a4300275
1257969733
1332c3063a
141cc5a063
1512b8c9a6
hexc1102d7

202441431 has 8 divisors (see below), whose sum is σ = 279229680. Its totient is φ = 130307072.

The previous prime is 202441391. The next prime is 202441433. The reversal of 202441431 is 134144202.

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

It is a cyclic number.

It is not a de Polignac number, because 202441431 - 218 = 202179287 is a prime.

It is a super-2 number, since 2×2024414312 = 81965065970655522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202441398 and 202441407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202441433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1163370 + ... + 1163543.

It is an arithmetic number, because the mean of its divisors is an integer number (34903710).

Almost surely, 2202441431 is an apocalyptic number.

202441431 is a deficient number, since it is larger than the sum of its proper divisors (76788249).

202441431 is a wasteful number, since it uses less digits than its factorization.

202441431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326945.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 202441431 is about 14228.1914170424. The cubic root of 202441431 is about 587.1735259303.

Adding to 202441431 its reverse (134144202), we get a palindrome (336585633).

The spelling of 202441431 in words is "two hundred two million, four hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 3 29 87 2326913 6980739 67480477 202441431