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13829458 = 26914729
BaseRepresentation
bin110100110000…
…010101010010
3222000121110011
4310300111102
512020020313
61212225134
7225356056
oct64602522
928017404
1013829458
117896305
12476b1aa
132b32916
141b9dc66
15133293d
hexd30552

13829458 has 4 divisors (see below), whose sum is σ = 20744190. Its totient is φ = 6914728.

The previous prime is 13829419. The next prime is 13829461. The reversal of 13829458 is 85492831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85492831 = 412085191.

It can be written as a sum of positive squares in only one way, i.e., 13271449 + 558009 = 3643^2 + 747^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 13829458.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3457363 + ... + 3457366.

Almost surely, 213829458 is an apocalyptic number.

13829458 is a deficient number, since it is larger than the sum of its proper divisors (6914732).

13829458 is an equidigital number, since it uses as much as digits as its factorization.

13829458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6914731.

The product of its digits is 69120, while the sum is 40.

The square root of 13829458 is about 3718.7979240609. The cubic root of 13829458 is about 240.0315814922.

The spelling of 13829458 in words is "thirteen million, eight hundred twenty-nine thousand, four hundred fifty-eight".

Divisors: 1 2 6914729 13829458