Search a number
-
+
130469449 = 1111860859
BaseRepresentation
bin1111100011011…
…00111001001001
3100002111112102211
413301230321021
5231400010244
620540225121
73142654255
oct761547111
9302445384
10130469449
11677126a0
123783b1a1
1321051376
1413483265
15b6c2934
hex7c6ce49

130469449 has 4 divisors (see below), whose sum is σ = 142330320. Its totient is φ = 118608580.

The previous prime is 130469429. The next prime is 130469459. The reversal of 130469449 is 944964031.

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.

It is a cyclic number.

It is not a de Polignac number, because 130469449 - 29 = 130468937 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (130469429) 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, 5930419 + ... + 5930440.

It is an arithmetic number, because the mean of its divisors is an integer number (35582580).

Almost surely, 2130469449 is an apocalyptic number.

It is an amenable number.

130469449 is a deficient number, since it is larger than the sum of its proper divisors (11860871).

130469449 is a wasteful number, since it uses less digits than its factorization.

130469449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11860870.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 130469449 is about 11422.3223995823. The cubic root of 130469449 is about 507.1887471609.

The spelling of 130469449 in words is "one hundred thirty million, four hundred sixty-nine thousand, four hundred forty-nine".

Divisors: 1 11 11860859 130469449