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13829812 = 223457453
BaseRepresentation
bin110100110000…
…011010110100
3222000121221021
4310300122310
512020023222
61212230524
7225360103
oct64603264
928017837
1013829812
1178965a7
12476b444
132b32b29
141ba003a
151332ac7
hexd306b4

13829812 has 6 divisors (see below), whose sum is σ = 24202178. Its totient is φ = 6914904.

The previous prime is 13829773. The next prime is 13829821. The reversal of 13829812 is 21892831.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 5044516 = 2964^2 + 2246^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728723 + ... + 1728730.

Almost surely, 213829812 is an apocalyptic number.

It is an amenable number.

13829812 is a deficient number, since it is larger than the sum of its proper divisors (10372366).

13829812 is a wasteful number, since it uses less digits than its factorization.

13829812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457457 (or 3457455 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 13829812 is about 3718.8455197816. The cubic root of 13829812 is about 240.0336295468.

It can be divided in two parts, 13829 and 812, that added together give a palindrome (14641).

The spelling of 13829812 in words is "thirteen million, eight hundred twenty-nine thousand, eight hundred twelve".

Divisors: 1 2 4 3457453 6914906 13829812