Search a number
-
+
428293534 = 22318674987
BaseRepresentation
bin11001100001110…
…011110110011110
31002211220120021111
4121201303312132
51334120343114
6110255452234
713420302124
oct3141636636
91084816244
10428293534
111aa8402a9
12bb52707a
136a969936
1440c4b914
1527901bc4
hex19873d9e

428293534 has 16 divisors (see below), whose sum is σ = 670866048. Its totient is φ = 204685272.

The previous prime is 428293507. The next prime is 428293553. The reversal of 428293534 is 435392824.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 83389 + ... + 88375.

It is an arithmetic number, because the mean of its divisors is an integer number (41929128).

Almost surely, 2428293534 is an apocalyptic number.

428293534 is a deficient number, since it is larger than the sum of its proper divisors (242572514).

428293534 is a wasteful number, since it uses less digits than its factorization.

428293534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6879.

The product of its digits is 207360, while the sum is 40.

The square root of 428293534 is about 20695.2539003512. The cubic root of 428293534 is about 753.7844475271.

The spelling of 428293534 in words is "four hundred twenty-eight million, two hundred ninety-three thousand, five hundred thirty-four".

Divisors: 1 2 23 46 1867 3734 4987 9974 42941 85882 114701 229402 9310729 18621458 214146767 428293534