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14356138 = 27178069
BaseRepresentation
bin110110110000…
…111010101010
31000000100220211
4312300322222
512133344023
61231411334
7233011426
oct66607252
930010824
1014356138
118115a85
124983b4a
132c88574
141c99b86
1513d8a0d
hexdb0eaa

14356138 has 4 divisors (see below), whose sum is σ = 21534210. Its totient is φ = 7178068.

The previous prime is 14356127. The next prime is 14356151. The reversal of 14356138 is 83165341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83165341 = 711880763.

It can be written as a sum of positive squares in only one way, i.e., 11881809 + 2474329 = 3447^2 + 1573^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3589033 + ... + 3589036.

Almost surely, 214356138 is an apocalyptic number.

14356138 is a deficient number, since it is larger than the sum of its proper divisors (7178072).

14356138 is an equidigital number, since it uses as much as digits as its factorization.

14356138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7178071.

The product of its digits is 8640, while the sum is 31.

The square root of 14356138 is about 3788.9494586231. The cubic root of 14356138 is about 243.0408123517.

The spelling of 14356138 in words is "fourteen million, three hundred fifty-six thousand, one hundred thirty-eight".

Divisors: 1 2 7178069 14356138