Search a number
-
+
130484973 = 343494991
BaseRepresentation
bin1111100011100…
…00101011101101
3100002112022201210
413301300223231
5231401004343
620540425033
73143050443
oct761605355
9302468653
10130484973
1167723323
1237848179
1321058458
1413488b93
15b6c7333
hex7c70aed

130484973 has 4 divisors (see below), whose sum is σ = 173979968. Its totient is φ = 86989980.

The previous prime is 130484933. The next prime is 130484987. The reversal of 130484973 is 379484031.

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 not a de Polignac number, because 130484973 - 26 = 130484909 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 (130484933) 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, 21747493 + ... + 21747498.

It is an arithmetic number, because the mean of its divisors is an integer number (43494992).

Almost surely, 2130484973 is an apocalyptic number.

It is an amenable number.

130484973 is a deficient number, since it is larger than the sum of its proper divisors (43494995).

130484973 is an equidigital number, since it uses as much as digits as its factorization.

130484973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43494994.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 130484973 is about 11423.0019259387. The cubic root of 130484973 is about 507.2088624342.

The spelling of 130484973 in words is "one hundred thirty million, four hundred eighty-four thousand, nine hundred seventy-three".

Divisors: 1 3 43494991 130484973