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14072431 = 101277503
BaseRepresentation
bin110101101011…
…101001101111
3222110221202011
4311223221233
512100304211
61221342051
7230420332
oct65535157
928427664
1014072431
117a4190a
124867927
132bb93a9
141c24619
15137e921
hexd6ba6f

14072431 has 8 divisors (see below), whose sum is σ = 14291424. Its totient is φ = 13855200.

The previous prime is 14072423. The next prime is 14072437. The reversal of 14072431 is 13427041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14072431 - 23 = 14072423 is a prime.

It is a super-2 number, since 2×140724312 = 396066628499522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14072437) 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, 27726 + ... + 28228.

It is an arithmetic number, because the mean of its divisors is an integer number (1786428).

Almost surely, 214072431 is an apocalyptic number.

14072431 is a deficient number, since it is larger than the sum of its proper divisors (218993).

14072431 is a wasteful number, since it uses less digits than its factorization.

14072431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 14072431 is about 3751.3238996386. The cubic root of 14072431 is about 241.4291521892.

Adding to 14072431 its reverse (13427041), we get a palindrome (27499472).

The spelling of 14072431 in words is "fourteen million, seventy-two thousand, four hundred thirty-one".

Divisors: 1 101 277 503 27977 50803 139331 14072431