Search a number
-
+
130695407 = 235682409
BaseRepresentation
bin1111100101001…
…00000011101111
3100002221000101122
413302210003233
5231424223112
620545131155
73144615113
oct762440357
9302830348
10130695407
1167857437
1237929abb
132110017b
1413501743
15b719872
hex7ca40ef

130695407 has 4 divisors (see below), whose sum is σ = 136377840. Its totient is φ = 125012976.

The previous prime is 130695377. The next prime is 130695437. The reversal of 130695407 is 704596031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704596031 = 883797957.

It is an interprime number because it is at equal distance from previous prime (130695377) and next prime (130695437).

It is a cyclic number.

It is not a de Polignac number, because 130695407 - 212 = 130691311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130695437) 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, 2841182 + ... + 2841227.

It is an arithmetic number, because the mean of its divisors is an integer number (34094460).

Almost surely, 2130695407 is an apocalyptic number.

130695407 is a deficient number, since it is larger than the sum of its proper divisors (5682433).

130695407 is an equidigital number, since it uses as much as digits as its factorization.

130695407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682432.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 130695407 is about 11432.2091915780. The cubic root of 130695407 is about 507.4813757149.

The spelling of 130695407 in words is "one hundred thirty million, six hundred ninety-five thousand, four hundred seven".

Divisors: 1 23 5682409 130695407