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220410431 = 1911600549
BaseRepresentation
bin11010010001100…
…11001000111111
3120100202000021022
431020303020333
5422411113211
633512054355
75314313003
oct1510631077
9510660238
10220410431
1110346368a
12619943bb
1336882497
14213b6703
151453bbdb
hexd23323f

220410431 has 4 divisors (see below), whose sum is σ = 232011000. Its totient is φ = 208809864.

The previous prime is 220410427. The next prime is 220410467. The reversal of 220410431 is 134014022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134014022 = 267007011.

It is a cyclic number.

It is not a de Polignac number, because 220410431 - 22 = 220410427 is a prime.

It is a super-2 number, since 2×2204104312 = 97161516187211522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220410331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5800256 + ... + 5800293.

It is an arithmetic number, because the mean of its divisors is an integer number (58002750).

Almost surely, 2220410431 is an apocalyptic number.

220410431 is a deficient number, since it is larger than the sum of its proper divisors (11600569).

220410431 is a wasteful number, since it uses less digits than its factorization.

220410431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600568.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 220410431 is about 14846.2261534708. The cubic root of 220410431 is about 604.0562486905.

Adding to 220410431 its reverse (134014022), we get a palindrome (354424453).

The spelling of 220410431 in words is "two hundred twenty million, four hundred ten thousand, four hundred thirty-one".

Divisors: 1 19 11600549 220410431