Search a number
-
+
8424012 = 2233718973
BaseRepresentation
bin100000001000…
…101001001100
3120211222120110
4200020221030
54124032022
6500320020
7131413542
oct40105114
916758513
108424012
1148340a3
1229a3010
13198c42c
141193d92
15b1600c
hex808a4c

8424012 has 24 divisors (see below), whose sum is σ = 20188336. Its totient is φ = 2731968.

The previous prime is 8423999. The next prime is 8424019. The reversal of 8424012 is 2104248.

It is a super-2 number, since 2×84240122 = 141927956352288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8424012.

It is not an unprimeable number, because it can be changed into a prime (8424019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9043 + ... + 9930.

Almost surely, 28424012 is an apocalyptic number.

It is an amenable number.

8424012 is an abundant number, since it is smaller than the sum of its proper divisors (11764324).

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

8424012 is a wasteful number, since it uses less digits than its factorization.

8424012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19017 (or 19015 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 8424012 is about 2902.4148566323. The cubic root of 8424012 is about 203.4727831965.

The spelling of 8424012 in words is "eight million, four hundred twenty-four thousand, twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 18973 37946 56919 75892 113838 227676 702001 1404002 2106003 2808004 4212006 8424012