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14912031 = 310348259
BaseRepresentation
bin111000111000…
…101000011111
31001001121110110
4320320220133
512304141111
61251341103
7240515211
oct70705037
931047413
1014912031
1184656a2
124bb1793
1331215b4
141da25b1
1514985a6
hexe38a1f

14912031 has 8 divisors (see below), whose sum is σ = 20076160. Its totient is φ = 9844632.

The previous prime is 14912021. The next prime is 14912041. The reversal of 14912031 is 13021941.

It is an interprime number because it is at equal distance from previous prime (14912021) and next prime (14912041).

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

It is not a de Polignac number, because 14912031 - 217 = 14780959 is a prime.

It is a super-2 number, since 2×149120312 = 444737337089922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14911989 and 14912007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14912021) 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, 23821 + ... + 24438.

It is an arithmetic number, because the mean of its divisors is an integer number (2509520).

Almost surely, 214912031 is an apocalyptic number.

14912031 is a deficient number, since it is larger than the sum of its proper divisors (5164129).

14912031 is a wasteful number, since it uses less digits than its factorization.

14912031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48365.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 14912031 is about 3861.6098974391. The cubic root of 14912031 is about 246.1381503088.

Adding to 14912031 its reverse (13021941), we get a palindrome (27933972).

The spelling of 14912031 in words is "fourteen million, nine hundred twelve thousand, thirty-one".

Divisors: 1 3 103 309 48259 144777 4970677 14912031