Search a number
-
+
400130347 is a prime number
BaseRepresentation
bin10111110110011…
…000000100101011
31000212220201122111
4113312120010223
51304413132342
6103412103151
712626023531
oct2766300453
91025821574
10400130347
11195954941
12b2004ab7
1364b88a26
143b1da151
15251dc217
hex17d9812b

400130347 has 2 divisors, whose sum is σ = 400130348. Its totient is φ = 400130346.

The previous prime is 400130303. The next prime is 400130359. The reversal of 400130347 is 743031004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400130347 - 211 = 400128299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (400130147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200065173 + 200065174.

It is an arithmetic number, because the mean of its divisors is an integer number (200065174).

Almost surely, 2400130347 is an apocalyptic number.

400130347 is a deficient number, since it is larger than the sum of its proper divisors (1).

400130347 is an equidigital number, since it uses as much as digits as its factorization.

400130347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 400130347 is about 20003.2584095692. The cubic root of 400130347 is about 736.8863247785.

The spelling of 400130347 in words is "four hundred million, one hundred thirty thousand, three hundred forty-seven".