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108222131 = 538922943
BaseRepresentation
bin1100111001101…
…01011010110011
321112122020212002
412130311122303
5210201102011
614423324215
72452605263
oct634653263
9245566762
10108222131
11560a7986
12302b066b
1319562084
14105317a3
15977ac3b
hex67356b3

108222131 has 8 divisors (see below), whose sum is σ = 111507840. Its totient is φ = 104982592.

The previous prime is 108222097. The next prime is 108222137. The reversal of 108222131 is 131222801.

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 108222131 - 210 = 108221107 is a prime.

It is a super-2 number, since 2×1082221312 = 23424059276362322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108222137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6755 + ... + 16188.

It is an arithmetic number, because the mean of its divisors is an integer number (13938480).

Almost surely, 2108222131 is an apocalyptic number.

108222131 is a deficient number, since it is larger than the sum of its proper divisors (3285709).

108222131 is an equidigital number, since it uses as much as digits as its factorization.

108222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23085.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 108222131 is about 10402.9866384611. The cubic root of 108222131 is about 476.5465836576.

Adding to 108222131 its reverse (131222801), we get a palindrome (239444932).

The spelling of 108222131 in words is "one hundred eight million, two hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 53 89 4717 22943 1215979 2041927 108222131