Search a number
-
+
402034429 is a prime number
BaseRepresentation
bin10111111101101…
…000111011111101
31001000111110120001
4113331220323331
51310410100204
6103520554301
712651144016
oct2775507375
91030443501
10402034429
11196a35465
12b2782991
13653a45c4
143b57400d
15254664a4
hex17f68efd

402034429 has 2 divisors, whose sum is σ = 402034430. Its totient is φ = 402034428.

The previous prime is 402034427. The next prime is 402034463. The reversal of 402034429 is 924430204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294911929 + 107122500 = 17173^2 + 10350^2 .

It is a cyclic number.

It is not a de Polignac number, because 402034429 - 21 = 402034427 is a prime.

Together with 402034427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 402034397 and 402034406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402034421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201017214 + 201017215.

It is an arithmetic number, because the mean of its divisors is an integer number (201017215).

Almost surely, 2402034429 is an apocalyptic number.

It is an amenable number.

402034429 is a deficient number, since it is larger than the sum of its proper divisors (1).

402034429 is an equidigital number, since it uses as much as digits as its factorization.

402034429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 402034429 is about 20050.7962186044. The cubic root of 402034429 is about 738.0533380221.

The spelling of 402034429 in words is "four hundred two million, thirty-four thousand, four hundred twenty-nine".