Search a number
-
+
12456030 = 235415201
BaseRepresentation
bin101111100001…
…000001011110
3212102211110110
4233201001132
511142043110
61122550450
7210605646
oct57410136
925384413
1012456030
117038444
124208426
132771742
141923526
151160a20
hexbe105e

12456030 has 16 divisors (see below), whose sum is σ = 29894544. Its totient is φ = 3321600.

The previous prime is 12456023. The next prime is 12456043. The reversal of 12456030 is 3065421.

It is a happy number.

12456030 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12455988 and 12456006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207571 + ... + 207630.

It is an arithmetic number, because the mean of its divisors is an integer number (1868409).

Almost surely, 212456030 is an apocalyptic number.

12456030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12456030 is an abundant number, since it is smaller than the sum of its proper divisors (17438514).

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

12456030 is a wasteful number, since it uses less digits than its factorization.

12456030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415211.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12456030 is about 3529.3101308896. The cubic root of 12456030 is about 231.8070011035.

The spelling of 12456030 in words is "twelve million, four hundred fifty-six thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 415201 830402 1245603 2076005 2491206 4152010 6228015 12456030