Search a number
-
+
420025274 = 2919228523
BaseRepresentation
bin11001000010010…
…001001110111010
31002021100111100122
4121002101032322
51330011302044
6105402333242
713260104324
oct3102211672
91067314318
10420025274
111a6103229
12b87ba222
1369033386
143dad8614
1526d1bdee
hex190913ba

420025274 has 8 divisors (see below), whose sum is σ = 630726240. Its totient is φ = 209783196.

The previous prime is 420025253. The next prime is 420025289. The reversal of 420025274 is 472520024.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112424 + ... + 116099.

It is an arithmetic number, because the mean of its divisors is an integer number (78840780).

Almost surely, 2420025274 is an apocalyptic number.

420025274 is a deficient number, since it is larger than the sum of its proper divisors (210700966).

420025274 is a wasteful number, since it uses less digits than its factorization.

420025274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229444.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 420025274 is about 20494.5181451041. The cubic root of 420025274 is about 748.9022601476.

Adding to 420025274 its reverse (472520024), we get a palindrome (892545298).

The spelling of 420025274 in words is "four hundred twenty million, twenty-five thousand, two hundred seventy-four".

Divisors: 1 2 919 1838 228523 457046 210012637 420025274