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229262140 = 22511463107
BaseRepresentation
bin11011010101001…
…00001100111100
3120222101201112101
431222210030330
5432142342030
634425514444
75452460512
oct1552441474
9528351471
10229262140
1110845a048
1264942a24
1338661493
142263c4b2
15151d97ca
hexdaa433c

229262140 has 12 divisors (see below), whose sum is σ = 481450536. Its totient is φ = 91704848.

The previous prime is 229262107. The next prime is 229262147. The reversal of 229262140 is 41262922.

229262140 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 2×2292621402 = 105122257674759200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 229262099 and 229262108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229262147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5731534 + ... + 5731573.

It is an arithmetic number, because the mean of its divisors is an integer number (40120878).

Almost surely, 2229262140 is an apocalyptic number.

229262140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229262140 is an abundant number, since it is smaller than the sum of its proper divisors (252188396).

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

229262140 is a wasteful number, since it uses less digits than its factorization.

229262140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11463116 (or 11463114 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 229262140 is about 15141.4048225388. The cubic root of 229262140 is about 612.0366752908.

The spelling of 229262140 in words is "two hundred twenty-nine million, two hundred sixty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 11463107 22926214 45852428 57315535 114631070 229262140