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220132313 = 1024321491
BaseRepresentation
bin11010001111011…
…11001111011001
3120100012212202122
431013233033121
5422323213223
633502111025
75312044112
oct1507571731
9510185678
10220132313
11103293735
126187b475
13367b5a0b
1421343209
15144d45c8
hexd1ef3d9

220132313 has 4 divisors (see below), whose sum is σ = 220164048. Its totient is φ = 220100580.

The previous prime is 220132307. The next prime is 220132327. The reversal of 220132313 is 313231022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220132313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220132291 and 220132300.

It is not an unprimeable number, because it can be changed into a prime (220132343) 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, 503 + ... + 20988.

It is an arithmetic number, because the mean of its divisors is an integer number (55041012).

Almost surely, 2220132313 is an apocalyptic number.

It is an amenable number.

220132313 is a deficient number, since it is larger than the sum of its proper divisors (31735).

220132313 is a wasteful number, since it uses less digits than its factorization.

220132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31734.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 220132313 is about 14836.8565740860. The cubic root of 220132313 is about 603.8020719319.

Adding to 220132313 its reverse (313231022), we get a palindrome (533363335).

The spelling of 220132313 in words is "two hundred twenty million, one hundred thirty-two thousand, three hundred thirteen".

Divisors: 1 10243 21491 220132313