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13940058 = 2311211213
BaseRepresentation
bin110101001011…
…010101011010
3222020020011110
4311023111122
512032040213
61214441150
7226326366
oct65132532
928206143
1013940058
117961410
1248031b6
132b71072
141bcc2a6
1513555c3
hexd4b55a

13940058 has 16 divisors (see below), whose sum is σ = 30414816. Its totient is φ = 4224240.

The previous prime is 13940057. The next prime is 13940117. The reversal of 13940058 is 85004931.

It is not an unprimeable number, because it can be changed into a prime (13940057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105541 + ... + 105672.

It is an arithmetic number, because the mean of its divisors is an integer number (1900926).

Almost surely, 213940058 is an apocalyptic number.

13940058 is an abundant number, since it is smaller than the sum of its proper divisors (16474758).

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

13940058 is a wasteful number, since it uses less digits than its factorization.

13940058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211229.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 13940058 is about 3733.6387077488. The cubic root of 13940058 is about 240.6697611226.

Adding to 13940058 its reverse (85004931), we get a palindrome (98944989).

The spelling of 13940058 in words is "thirteen million, nine hundred forty thousand, fifty-eight".

Divisors: 1 2 3 6 11 22 33 66 211213 422426 633639 1267278 2323343 4646686 6970029 13940058