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14342420 = 225977393
BaseRepresentation
bin110110101101…
…100100010100
3222222200002202
4312231210110
512132424140
61231224032
7232623431
oct66554424
928880082
1014342420
118106744
124978018
132c82251
141c94b88
1513d4915
hexdad914

14342420 has 24 divisors (see below), whose sum is σ = 30433704. Its totient is φ = 5677056.

The previous prime is 14342411. The next prime is 14342423. The reversal of 14342420 is 2424341.

14342420 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 174724 + 14167696 = 418^2 + 3764^2 .

It is a super-2 number, since 2×143424202 = 411410022912800, which contains 22 as substring.

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 = 14342392 and 14342401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14342423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757 + ... + 5636.

It is an arithmetic number, because the mean of its divisors is an integer number (1268071).

Almost surely, 214342420 is an apocalyptic number.

14342420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14342420 is an abundant number, since it is smaller than the sum of its proper divisors (16091284).

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

14342420 is a wasteful number, since it uses less digits than its factorization.

14342420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 14342420 is about 3787.1387616511. The cubic root of 14342420 is about 242.9633751753.

Adding to 14342420 its reverse (2424341), we get a palindrome (16766761).

The spelling of 14342420 in words is "fourteen million, three hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 7393 14786 29572 36965 73930 147860 717121 1434242 2868484 3585605 7171210 14342420