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14521401 = 3243157239
BaseRepresentation
bin110111011001…
…010000111001
31000022202121200
4313121100321
512204141101
61235124413
7234300306
oct67312071
930282550
1014521401
118219164
124a43709
13301585b
141d000ad
15141c986
hexdd9439

14521401 has 24 divisors (see below), whose sum is σ = 21690240. Its totient is φ = 9356256.

The previous prime is 14521393. The next prime is 14521411. The reversal of 14521401 is 10412541.

It is not a de Polignac number, because 14521401 - 23 = 14521393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14521411) 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 23 ways as a sum of consecutive naturals, for example, 60640 + ... + 60878.

It is an arithmetic number, because the mean of its divisors is an integer number (903760).

Almost surely, 214521401 is an apocalyptic number.

It is an amenable number.

14521401 is a deficient number, since it is larger than the sum of its proper divisors (7168839).

14521401 is a wasteful number, since it uses less digits than its factorization.

14521401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 14521401 is about 3810.6956057917. The cubic root of 14521401 is about 243.9698576489.

Adding to 14521401 its reverse (10412541), we get a palindrome (24933942).

The spelling of 14521401 in words is "fourteen million, five hundred twenty-one thousand, four hundred one".

Divisors: 1 3 9 43 129 157 239 387 471 717 1413 2151 6751 10277 20253 30831 37523 60759 92493 112569 337707 1613489 4840467 14521401