Search a number
-
+
12420002 = 27887143
BaseRepresentation
bin101111011000…
…001110100010
3212101000001002
4233120032202
511134420002
61122112002
7210365630
oct57301642
925330032
1012420002
117013371
1241ab602
13275b21a
141914350
151155002
hexbd83a2

12420002 has 8 divisors (see below), whose sum is σ = 21291456. Its totient is φ = 5322852.

The previous prime is 12419989. The next prime is 12420011. The reversal of 12420002 is 20002421.

12420002 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

12420002 is strictly pandigital in base 8.

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, 443558 + ... + 443585.

It is an arithmetic number, because the mean of its divisors is an integer number (2661432).

Almost surely, 212420002 is an apocalyptic number.

12420002 is a deficient number, since it is larger than the sum of its proper divisors (8871454).

12420002 is an equidigital number, since it uses as much as digits as its factorization.

12420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887152.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 12420002 is about 3524.2023210934. The cubic root of 12420002 is about 231.5832913115.

Adding to 12420002 its reverse (20002421), we get a palindrome (32422423).

The spelling of 12420002 in words is "twelve million, four hundred twenty thousand, two".

Divisors: 1 2 7 14 887143 1774286 6210001 12420002