Search a number
-
+
428325371 is a prime number
BaseRepresentation
bin11001100001111…
…011100111111011
31002211222011221122
4121201323213323
51334122402441
6110300255455
713420464005
oct3141734773
91084864848
10428325371
111aa862211
12bb54158b
136a97b286
1440c59375
152790b34b
hex1987b9fb

428325371 has 2 divisors, whose sum is σ = 428325372. Its totient is φ = 428325370.

The previous prime is 428325367. The next prime is 428325409. The reversal of 428325371 is 173523824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428325371 - 22 = 428325367 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (428325361) 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 as a sum of consecutive naturals, namely, 214162685 + 214162686.

It is an arithmetic number, because the mean of its divisors is an integer number (214162686).

Almost surely, 2428325371 is an apocalyptic number.

428325371 is a deficient number, since it is larger than the sum of its proper divisors (1).

428325371 is an equidigital number, since it uses as much as digits as its factorization.

428325371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 428325371 is about 20696.0230720784. The cubic root of 428325371 is about 753.8031244694.

The spelling of 428325371 in words is "four hundred twenty-eight million, three hundred twenty-five thousand, three hundred seventy-one".