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12420246 = 232070041
BaseRepresentation
bin101111011000…
…010010010110
3212101000101010
4233120102112
511134421441
61122113050
7210366426
oct57302226
925330333
1012420246
117013573
1241ab786
13275b377
141914486
151155116
hexbd8496

12420246 has 8 divisors (see below), whose sum is σ = 24840504. Its totient is φ = 4140080.

The previous prime is 12420229. The next prime is 12420257. The reversal of 12420246 is 64202421.

12420246 is digitally balanced in base 2, because in such base 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.

12420246 is an admirable number.

It is a Curzon number.

It is a congruent number.

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, 1035015 + ... + 1035026.

It is an arithmetic number, because the mean of its divisors is an integer number (3105063).

Almost surely, 212420246 is an apocalyptic number.

12420246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12420246 is a wasteful number, since it uses less digits than its factorization.

12420246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070046.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 12420246 is about 3524.2369386862. The cubic root of 12420246 is about 231.5848078425.

Adding to 12420246 its reverse (64202421), we get a palindrome (76622667).

The spelling of 12420246 in words is "twelve million, four hundred twenty thousand, two hundred forty-six".

Divisors: 1 2 3 6 2070041 4140082 6210123 12420246