Search a number
-
+
428542112 = 2519704839
BaseRepresentation
bin11001100010110…
…000100010100000
31002212101012021002
4121202300202200
51334201321422
6110305051132
713422355625
oct3142604240
91085335232
10428542112
111aa9a0039
12bb626aa8
136aa25b1b
1440cb434c
1527950692
hex198b08a0

428542112 has 24 divisors (see below), whose sum is σ = 888098400. Its totient is φ = 202993344.

The previous prime is 428542087. The next prime is 428542129. The reversal of 428542112 is 211245824.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351812 + ... + 353027.

It is an arithmetic number, because the mean of its divisors is an integer number (37004100).

Almost surely, 2428542112 is an apocalyptic number.

It is an amenable number.

428542112 is an abundant number, since it is smaller than the sum of its proper divisors (459556288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428542112 is a wasteful number, since it uses less digits than its factorization.

428542112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704868 (or 704860 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 428542112 is about 20701.2587056923. The cubic root of 428542112 is about 753.9302493951.

Adding to 428542112 its reverse (211245824), we get a palindrome (639787936).

The spelling of 428542112 in words is "four hundred twenty-eight million, five hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 704839 1409678 2819356 5638712 11277424 13391941 22554848 26783882 53567764 107135528 214271056 428542112