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2142255324 = 2231179205433
BaseRepresentation
bin111111110110000…
…0011100011011100
312112022000211211210
41333230003203130
513341404132244
6552323544420
7104041604226
oct17754034334
95468024753
102142255324
119aa27a150
124b952b110
13281a94101
14164729416
15c81124b9
hex7fb038dc

2142255324 has 48 divisors (see below), whose sum is σ = 5522065920. Its totient is φ = 640947840.

The previous prime is 2142255319. The next prime is 2142255331. The reversal of 2142255324 is 4235522412.

It is a junction number, because it is equal to n+sod(n) for n = 2142255291 and 2142255300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92289 + ... + 113144.

It is an arithmetic number, because the mean of its divisors is an integer number (115043040).

Almost surely, 22142255324 is an apocalyptic number.

It is an amenable number.

2142255324 is an abundant number, since it is smaller than the sum of its proper divisors (3379810596).

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

2142255324 is a wasteful number, since it uses less digits than its factorization.

2142255324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205530 (or 205528 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 2142255324 is about 46284.5041455561. The cubic root of 2142255324 is about 1289.1112850030. Note that the first 3 decimals are identical.

Adding to 2142255324 its reverse (4235522412), we get a palindrome (6377777736).

The spelling of 2142255324 in words is "two billion, one hundred forty-two million, two hundred fifty-five thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 79 132 158 237 316 474 869 948 1738 2607 3476 5214 10428 205433 410866 616299 821732 1232598 2259763 2465196 4519526 6779289 9039052 13558578 16229207 27117156 32458414 48687621 64916828 97375242 178521277 194750484 357042554 535563831 714085108 1071127662 2142255324