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14303731 = 137115497
BaseRepresentation
bin110110100100…
…000111110011
3222220201000211
4312210013303
512130204411
61230324551
7232402561
oct66440763
928821024
1014303731
11808a672
124959757
132c6a760
141c84a31
1513c8221
hexda41f3

14303731 has 8 divisors (see below), whose sum is σ = 15621984. Its totient is φ = 13016640.

The previous prime is 14303701. The next prime is 14303747. The reversal of 14303731 is 13730341.

It is a happy number.

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

It is not a de Polignac number, because 14303731 - 27 = 14303603 is a prime.

It is a super-2 number, since 2×143037312 = 409193441040722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14303701) 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, 6826 + ... + 8671.

It is an arithmetic number, because the mean of its divisors is an integer number (1952748).

Almost surely, 214303731 is an apocalyptic number.

14303731 is a deficient number, since it is larger than the sum of its proper divisors (1318253).

14303731 is a wasteful number, since it uses less digits than its factorization.

14303731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15581.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 14303731 is about 3782.0273663738. The cubic root of 14303731 is about 242.7447120544.

The spelling of 14303731 in words is "fourteen million, three hundred three thousand, seven hundred thirty-one".

Divisors: 1 13 71 923 15497 201461 1100287 14303731