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13829872 = 247196797
BaseRepresentation
bin110100110000…
…011011110000
3222000122000111
4310300123300
512020023442
61212231104
7225360220
oct64603360
928018014
1013829872
117896651
12476b494
132b32b74
141ba0080
151332b17
hexd306f0

13829872 has 80 divisors (see below), whose sum is σ = 33053440. Its totient is φ = 5474304.

The previous prime is 13829869. The next prime is 13829899. The reversal of 13829872 is 27892831.

Its product of digits (48384) is a multiple of the sum of its prime divisors (192).

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 in 15 ways as a sum of consecutive naturals, for example, 142528 + ... + 142624.

It is an arithmetic number, because the mean of its divisors is an integer number (413168).

Almost surely, 213829872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13829872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16526720).

13829872 is an abundant number, since it is smaller than the sum of its proper divisors (19223568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13829872 is a wasteful number, since it uses less digits than its factorization.

13829872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 192 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 13829872 is about 3718.8535867926. The cubic root of 13829872 is about 240.0339766712.

The spelling of 13829872 in words is "thirteen million, eight hundred twenty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 67 76 97 112 133 134 152 194 266 268 304 388 469 532 536 679 776 938 1064 1072 1273 1358 1552 1843 1876 2128 2546 2716 3686 3752 5092 5432 6499 7372 7504 8911 10184 10864 12901 12998 14744 17822 20368 25802 25996 29488 35644 45493 51604 51992 71288 90986 103208 103984 123481 142576 181972 206416 246962 363944 493924 727888 864367 987848 1728734 1975696 3457468 6914936 13829872