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226142312 = 23112569799
BaseRepresentation
bin11010111101010…
…10100001101000
3120202112012221012
431132222201220
5430343023222
634235003052
75414115014
oct1536524150
9522465835
10226142312
11106719080
1263899488
1337b0b426
1422069544
1514cc01e2
hexd7aa868

226142312 has 16 divisors (see below), whose sum is σ = 462564000. Its totient is φ = 102791920.

The previous prime is 226142291. The next prime is 226142327. The reversal of 226142312 is 213241622.

It is a happy number.

226142312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2261423122 = 102280690553410688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284812 + ... + 1284987.

It is an arithmetic number, because the mean of its divisors is an integer number (28910250).

Almost surely, 2226142312 is an apocalyptic number.

226142312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

226142312 is an abundant number, since it is smaller than the sum of its proper divisors (236421688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226142312 is a wasteful number, since it uses less digits than its factorization.

226142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569816 (or 2569812 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 226142312 is about 15038.0288601931. The cubic root of 226142312 is about 609.2477621595.

Adding to 226142312 its reverse (213241622), we get a palindrome (439383934).

The spelling of 226142312 in words is "two hundred twenty-six million, one hundred forty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 2569799 5139598 10279196 20558392 28267789 56535578 113071156 226142312