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12469438 = 26234719
BaseRepresentation
bin101111100100…
…010010111110
3212110111212001
4233210102332
511143010223
61123132514
7210663022
oct57442276
925414761
1012469438
117047523
12421413a
132777887
141928382
1511649ad
hexbe44be

12469438 has 4 divisors (see below), whose sum is σ = 18704160. Its totient is φ = 6234718.

The previous prime is 12469433. The next prime is 12469493. The reversal of 12469438 is 83496421.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12469397 and 12469406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12469433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3117358 + ... + 3117361.

It is an arithmetic number, because the mean of its divisors is an integer number (4676040).

Almost surely, 212469438 is an apocalyptic number.

12469438 is a deficient number, since it is larger than the sum of its proper divisors (6234722).

12469438 is an equidigital number, since it uses as much as digits as its factorization.

12469438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234721.

The product of its digits is 41472, while the sum is 37.

The square root of 12469438 is about 3531.2091413565. The cubic root of 12469438 is about 231.8901456724.

The spelling of 12469438 in words is "twelve million, four hundred sixty-nine thousand, four hundred thirty-eight".

Divisors: 1 2 6234719 12469438