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14222840 = 235355571
BaseRepresentation
bin110110010000…
…010111111000
3222202121001212
4312100113320
512120112330
61224502252
7231615002
oct66202770
928677055
1014222840
118034915
12491a988
132c3c9a8
141c63372
1513ae295
hexd905f8

14222840 has 16 divisors (see below), whose sum is σ = 32001480. Its totient is φ = 5689120.

The previous prime is 14222833. The next prime is 14222843. The reversal of 14222840 is 4822241.

It is a happy number.

14222840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14222843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177746 + ... + 177825.

Almost surely, 214222840 is an apocalyptic number.

14222840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14222840 is an abundant number, since it is smaller than the sum of its proper divisors (17778640).

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

14222840 is a wasteful number, since it uses less digits than its factorization.

14222840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355582 (or 355578 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 14222840 is about 3771.3180719743. The cubic root of 14222840 is about 242.2862537124.

The spelling of 14222840 in words is "fourteen million, two hundred twenty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 355571 711142 1422284 1777855 2844568 3555710 7111420 14222840