Base | Representation |
---|---|
bin | 101111001100… |
… | …010011000110 |
3 | 212021112000110 |
4 | 233030103012 |
5 | 11131334032 |
6 | 1121053450 |
7 | 210103320 |
oct | 57142306 |
9 | 25245013 |
10 | 12371142 |
11 | 6a8a693 |
12 | 4187286 |
13 | 2741c04 |
14 | 1900610 |
15 | 11457cc |
hex | bcc4c6 |
12371142 has 16 divisors (see below), whose sum is σ = 28276992. Its totient is φ = 3534600.
The previous prime is 12371137. The next prime is 12371153. The reversal of 12371142 is 24117321.
12371142 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (21).
12371142 is strictly pandigital in base 8.
It is a plaindrome in base 15.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147234 + ... + 147317.
It is an arithmetic number, because the mean of its divisors is an integer number (1767312).
Almost surely, 212371142 is an apocalyptic number.
12371142 is an abundant number, since it is smaller than the sum of its proper divisors (15905850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12371142 is a wasteful number, since it uses less digits than its factorization.
12371142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294563.
The product of its digits is 336, while the sum is 21.
The square root of 12371142 is about 3517.2634248802. The cubic root of 12371142 is about 231.2792111139.
Adding to 12371142 its reverse (24117321), we get a palindrome (36488463).
It can be divided in two parts, 123711 and 42, that added together give a triangular number (123753 = T497).
The spelling of 12371142 in words is "twelve million, three hundred seventy-one thousand, one hundred forty-two".
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