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14219920 = 24511213113
BaseRepresentation
bin110110001111…
…101010010000
3222202110001201
4312033222100
512120014140
61224440544
7231603331
oct66175220
928673051
1014219920
118032700
124919154
132c3b570
141c62288
1513ad49a
hexd8fa90

14219920 has 120 divisors (see below), whose sum is σ = 39481848. Its totient is φ = 4730880.

The previous prime is 14219873. The next prime is 14219927. The reversal of 14219920 is 2991241.

It is a happy number.

14219920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 559504 + 13660416 = 748^2 + 3696^2 .

It is a super-2 number, since 2×142199202 = 404412249612800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14219927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125784 + ... + 125896.

Almost surely, 214219920 is an apocalyptic number.

14219920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14219920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19740924).

14219920 is an abundant number, since it is smaller than the sum of its proper divisors (25261928).

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

14219920 is a wasteful number, since it uses less digits than its factorization.

14219920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 14219920 is about 3770.9309195476. The cubic root of 14219920 is about 242.2696718323.

The spelling of 14219920 in words is "fourteen million, two hundred nineteen thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 13 16 20 22 26 40 44 52 55 65 80 88 104 110 113 121 130 143 176 208 220 226 242 260 286 440 452 484 520 565 572 605 715 880 904 968 1040 1130 1144 1210 1243 1430 1469 1573 1808 1936 2260 2288 2420 2486 2860 2938 3146 4520 4840 4972 5720 5876 6215 6292 7345 7865 9040 9680 9944 11440 11752 12430 12584 13673 14690 15730 16159 19888 23504 24860 25168 27346 29380 31460 32318 49720 54692 58760 62920 64636 68365 80795 99440 109384 117520 125840 129272 136730 161590 177749 218768 258544 273460 323180 355498 546920 646360 710996 888745 1093840 1292720 1421992 1777490 2843984 3554980 7109960 14219920