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14142830 = 2513108791
BaseRepresentation
bin110101111100…
…110101101110
3222121112022112
4311330311232
512110032310
61223044022
7231132512
oct65746556
928545275
1014142830
117a8a799
1248a0612
132c12450
141c42142
151395705
hexd7cd6e

14142830 has 16 divisors (see below), whose sum is σ = 27415584. Its totient is φ = 5221920.

The previous prime is 14142823. The next prime is 14142839. The reversal of 14142830 is 3824141.

It is a junction number, because it is equal to n+sod(n) for n = 14142796 and 14142805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14142839) 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, 54266 + ... + 54525.

It is an arithmetic number, because the mean of its divisors is an integer number (1713474).

Almost surely, 214142830 is an apocalyptic number.

14142830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14142830 is a deficient number, since it is larger than the sum of its proper divisors (13272754).

14142830 is a wasteful number, since it uses less digits than its factorization.

14142830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108811.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 14142830 is about 3760.6954144147. The cubic root of 14142830 is about 241.8310753365.

Adding to 14142830 its reverse (3824141), we get a palindrome (17966971).

The spelling of 14142830 in words is "fourteen million, one hundred forty-two thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 108791 217582 543955 1087910 1414283 2828566 7071415 14142830