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14138542 = 2113120731
BaseRepresentation
bin110101111011…
…110010101110
3222121022102201
4311323302232
512104413132
61223012114
7231114145
oct65736256
928538381
1014138542
117a87550
12489a03a
132c10502
141c4075c
1513942e7
hexd7bcae

14138542 has 16 divisors (see below), whose sum is σ = 23883264. Its totient is φ = 6219000.

The previous prime is 14138539. The next prime is 14138549. The reversal of 14138542 is 24583141.

It is a self number, because there is not a number n which added to its sum of digits gives 14138542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14138549) 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, 9684 + ... + 11047.

It is an arithmetic number, because the mean of its divisors is an integer number (1492704).

Almost surely, 214138542 is an apocalyptic number.

14138542 is a deficient number, since it is larger than the sum of its proper divisors (9744722).

14138542 is a wasteful number, since it uses less digits than its factorization.

14138542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20775.

The product of its digits is 3840, while the sum is 28.

The square root of 14138542 is about 3760.1252638709. The cubic root of 14138542 is about 241.8066324098.

It can be divided in two parts, 141 and 38542, that added together give a palindrome (38683).

The spelling of 14138542 in words is "fourteen million, one hundred thirty-eight thousand, five hundred forty-two".

Divisors: 1 2 11 22 31 62 341 682 20731 41462 228041 456082 642661 1285322 7069271 14138542