Search a number
-
+
428700147 = 33120832213
BaseRepresentation
bin11001100011010…
…111000111110011
31002212200020001020
4121203113013303
51334221401042
6110312310523
713423614441
oct3143270763
91085606036
10428700147
111aaa98847
12bb6a2443
136aa7ca35
1440d15b91
15279823ec
hex198d71f3

428700147 has 16 divisors (see below), whose sum is σ = 590588928. Its totient is φ = 276323040.

The previous prime is 428700119. The next prime is 428700163. The reversal of 428700147 is 741007824.

It is not a de Polignac number, because 428700147 - 28 = 428699891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428700247) by changing a digit.

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, 192613 + ... + 194825.

It is an arithmetic number, because the mean of its divisors is an integer number (36911808).

Almost surely, 2428700147 is an apocalyptic number.

428700147 is a deficient number, since it is larger than the sum of its proper divisors (161888781).

428700147 is a wasteful number, since it uses less digits than its factorization.

428700147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 428700147 is about 20705.0753922800. The cubic root of 428700147 is about 754.0229145191.

The spelling of 428700147 in words is "four hundred twenty-eight million, seven hundred thousand, one hundred forty-seven".

Divisors: 1 3 31 93 2083 2213 6249 6639 64573 68603 193719 205809 4609679 13829037 142900049 428700147