[go: up one dir, main page]

Search a number
-
+
108953431 is a prime number
BaseRepresentation
bin1100111111001…
…11111101010111
321121000102000021
412133213331113
5210343002211
614451130011
72462042326
oct637477527
9247012007
10108953431
1156557364
12305a3907
1319759bb2
14106820bd
159872771
hex67e7f57

108953431 has 2 divisors, whose sum is σ = 108953432. Its totient is φ = 108953430.

The previous prime is 108953413. The next prime is 108953477. The reversal of 108953431 is 134359801.

Together with previous prime (108953413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108953431 - 25 = 108953399 is a prime.

It is a super-2 number, since 2×1089534312 = 23741700253343522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108953491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54476715 + 54476716.

It is an arithmetic number, because the mean of its divisors is an integer number (54476716).

Almost surely, 2108953431 is an apocalyptic number.

108953431 is a deficient number, since it is larger than the sum of its proper divisors (1).

108953431 is an equidigital number, since it uses as much as digits as its factorization.

108953431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 108953431 is about 10438.0760200336. The cubic root of 108953431 is about 477.6175798456.

The spelling of 108953431 in words is "one hundred eight million, nine hundred fifty-three thousand, four hundred thirty-one".