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13244434 = 27946031
BaseRepresentation
bin110010100001…
…100000010010
3220220212221121
4302201200102
511342310214
61151512454
7220401340
oct62414022
926825847
1013244434
117526815
12452872a
132989558
141a8a990
151269424
hexca1812

13244434 has 8 divisors (see below), whose sum is σ = 22704768. Its totient is φ = 5676180.

The previous prime is 13244431. The next prime is 13244443. The reversal of 13244434 is 43444231.

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

It is a junction number, because it is equal to n+sod(n) for n = 13244399 and 13244408.

It is not an unprimeable number, because it can be changed into a prime (13244431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473002 + ... + 473029.

It is an arithmetic number, because the mean of its divisors is an integer number (2838096).

Almost surely, 213244434 is an apocalyptic number.

13244434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13244434 is a deficient number, since it is larger than the sum of its proper divisors (9460334).

13244434 is an equidigital number, since it uses as much as digits as its factorization.

13244434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946040.

The product of its digits is 4608, while the sum is 25.

The square root of 13244434 is about 3639.2903154324. The cubic root of 13244434 is about 236.5980356000.

Adding to 13244434 its reverse (43444231), we get a palindrome (56688665).

The spelling of 13244434 in words is "thirteen million, two hundred forty-four thousand, four hundred thirty-four".

Divisors: 1 2 7 14 946031 1892062 6622217 13244434