Search a number
-
+
247406130 = 2335916319
BaseRepresentation
bin11101011111100…
…01111000110010
3122020112112102000
432233301320302
51001313444010
640314434430
76062626446
oct1657617062
9566475360
10247406130
11117721984
126aa32a16
133c344b7a
1424c02826
1516ac07c0
hexebf1e32

247406130 has 32 divisors (see below), whose sum is σ = 659750400. Its totient is φ = 65974896.

The previous prime is 247406113. The next prime is 247406141. The reversal of 247406130 is 31604742.

247406130 is a `hidden beast` number, since 2 + 4 + 7 + 40 + 613 + 0 = 666.

247406130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2474061302 = 122419586323153800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 247406094 and 247406103.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 457890 + ... + 458429.

It is an arithmetic number, because the mean of its divisors is an integer number (20617200).

Almost surely, 2247406130 is an apocalyptic number.

247406130 is an abundant number, since it is smaller than the sum of its proper divisors (412344270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247406130 is a wasteful number, since it uses less digits than its factorization.

247406130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916335 (or 916329 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 247406130 is about 15729.1490551778. The cubic root of 247406130 is about 627.7742318668.

The spelling of 247406130 in words is "two hundred forty-seven million, four hundred six thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 916319 1832638 2748957 4581595 5497914 8246871 9163190 13744785 16493742 24740613 27489570 41234355 49481226 82468710 123703065 247406130