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14422520 = 2357192711
BaseRepresentation
bin110111000001…
…000111111000
31000010201222102
4313001013320
512143010040
61233042532
7233406110
oct67010770
930121872
1014422520
118160942
1249b6448
132cac848
141cb6040
1513ed515
hexdc11f8

14422520 has 64 divisors (see below), whose sum is σ = 39052800. Its totient is φ = 4682880.

The previous prime is 14422481. The next prime is 14422523. The reversal of 14422520 is 2522441.

It is a happy number.

14422520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14422492 and 14422501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14422523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3965 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (610200).

Almost surely, 214422520 is an apocalyptic number.

14422520 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 14422520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19526400).

14422520 is an abundant number, since it is smaller than the sum of its proper divisors (24630280).

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

14422520 is a wasteful number, since it uses less digits than its factorization.

14422520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2744 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 14422520 is about 3797.6993035258. The cubic root of 14422520 is about 243.4148389418.

Adding to 14422520 its reverse (2522441), we get a palindrome (16944961).

The spelling of 14422520 in words is "fourteen million, four hundred twenty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 19 20 28 35 38 40 56 70 76 95 133 140 152 190 266 280 380 532 665 760 1064 1330 2660 2711 5320 5422 10844 13555 18977 21688 27110 37954 51509 54220 75908 94885 103018 108440 151816 189770 206036 257545 360563 379540 412072 515090 721126 759080 1030180 1442252 1802815 2060360 2884504 3605630 7211260 14422520