Search a number
-
+
107469931 = 711513661
BaseRepresentation
bin1100110011111…
…01110001101011
321111020001000211
412121331301223
5210003014211
614355241551
72443323262
oct631756153
9244201024
10107469931
1155733828
122bba92b7
131935a89a
14103b75d9
15967ce21
hex667dc6b

107469931 has 4 divisors (see below), whose sum is σ = 108983664. Its totient is φ = 105956200.

The previous prime is 107469913. The next prime is 107469991. The reversal of 107469931 is 139964701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139964701 = 294826369.

It is a cyclic number.

It is not a de Polignac number, because 107469931 - 25 = 107469899 is a prime.

It is a super-2 number, since 2×1074699312 = 23099572138289522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107469991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756760 + ... + 756901.

It is an arithmetic number, because the mean of its divisors is an integer number (27245916).

Almost surely, 2107469931 is an apocalyptic number.

107469931 is a deficient number, since it is larger than the sum of its proper divisors (1513733).

107469931 is an equidigital number, since it uses as much as digits as its factorization.

107469931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513732.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 107469931 is about 10366.7705193083. The cubic root of 107469931 is about 475.4399336923.

The spelling of 107469931 in words is "one hundred seven million, four hundred sixty-nine thousand, nine hundred thirty-one".

Divisors: 1 71 1513661 107469931