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14942031 = 3131731727
BaseRepresentation
bin111000111111…
…111101001111
31001010010121120
4320333331033
512311121111
61252132023
7241001526
oct70777517
931103546
1014942031
118486195
125007013
133132150
141dad4bd
1514a2406
hexe3ff4f

14942031 has 32 divisors (see below), whose sum is σ = 23482368. Its totient is φ = 8363520.

The previous prime is 14942029. The next prime is 14942033. The reversal of 14942031 is 13024941.

It is an interprime number because it is at equal distance from previous prime (14942029) and next prime (14942033).

It is not a de Polignac number, because 14942031 - 21 = 14942029 is a prime.

It is a super-2 number, since 2×149420312 = 446528580809922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14941992 and 14942010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14942033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20190 + ... + 20916.

It is an arithmetic number, because the mean of its divisors is an integer number (733824).

Almost surely, 214942031 is an apocalyptic number.

14942031 is a deficient number, since it is larger than the sum of its proper divisors (8540337).

14942031 is a wasteful number, since it uses less digits than its factorization.

14942031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 14942031 is about 3865.4923360421. The cubic root of 14942031 is about 246.3030998548.

Adding to 14942031 its reverse (13024941), we get a palindrome (27966972).

The spelling of 14942031 in words is "fourteen million, nine hundred forty-two thousand, thirty-one".

Divisors: 1 3 13 17 31 39 51 93 221 403 527 663 727 1209 1581 2181 6851 9451 12359 20553 22537 28353 37077 67611 160667 292981 383129 482001 878943 1149387 4980677 14942031