Search a number
-
+
130404345 = 358693623
BaseRepresentation
bin1111100010111…
…00111111111001
3100002101020010120
413301130333321
5231340414340
620535003453
73142263411
oct761347771
9302336116
10130404345
1167678795
1237809589
132102a846
1413467641
15b6ad4d0
hex7c5cff9

130404345 has 8 divisors (see below), whose sum is σ = 208646976. Its totient is φ = 69548976.

The previous prime is 130404341. The next prime is 130404361. The reversal of 130404345 is 543404031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130404345 - 22 = 130404341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130404341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4346797 + ... + 4346826.

It is an arithmetic number, because the mean of its divisors is an integer number (26080872).

Almost surely, 2130404345 is an apocalyptic number.

130404345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130404345 is a deficient number, since it is larger than the sum of its proper divisors (78242631).

130404345 is an equidigital number, since it uses as much as digits as its factorization.

130404345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8693631.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 130404345 is about 11419.4721857011. The cubic root of 130404345 is about 507.1043710604.

Adding to 130404345 its reverse (543404031), we get a palindrome (673808376).

The spelling of 130404345 in words is "one hundred thirty million, four hundred four thousand, three hundred forty-five".

Divisors: 1 3 5 15 8693623 26080869 43468115 130404345