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12000046 = 26000023
BaseRepresentation
bin101101110001…
…101100101110
3211120122222011
4231301230232
511033000141
61105111434
7203666362
oct55615456
924518864
1012000046
1168568a3
12402857a
132642026
1418452a2
1510c0881
hexb71b2e

12000046 has 4 divisors (see below), whose sum is σ = 18000072. Its totient is φ = 6000022.

The previous prime is 12000029. The next prime is 12000073. The reversal of 12000046 is 64000021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64000021 = 69779173.

It is a super-2 number, since 2×120000462 = 288002208004232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000010 + ... + 3000013.

It is an arithmetic number, because the mean of its divisors is an integer number (4500018).

Almost surely, 212000046 is an apocalyptic number.

12000046 is a deficient number, since it is larger than the sum of its proper divisors (6000026).

12000046 is an equidigital number, since it uses as much as digits as its factorization.

12000046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000025.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12000046 is about 3464.1082546595. The cubic root of 12000046 is about 228.9431410484.

Adding to 12000046 its reverse (64000021), we get a palindrome (76000067).

The spelling of 12000046 in words is "twelve million, forty-six", and thus it is an aban number and an uban number.

Divisors: 1 2 6000023 12000046