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2252158340 = 225711586027
BaseRepresentation
bin1000011000111101…
…0011010110000100
312210221211111102212
42012033103112010
514103023031330
61011251322552
7106545013205
oct20617232604
95727744385
102252158340
11a56314993
1252a2b0458
1329b794293
141751775ac
15d2ac1295
hex863d3584

2252158340 has 24 divisors (see below), whose sum is σ = 4796148672. Its totient is φ = 888174560.

The previous prime is 2252158333. The next prime is 2252158343. The reversal of 2252158340 is 438512522.

It is a junction number, because it is equal to n+sod(n) for n = 2252158297 and 2252158306.

It is not an unprimeable number, because it can be changed into a prime (2252158343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791594 + ... + 794433.

It is an arithmetic number, because the mean of its divisors is an integer number (199839528).

Almost surely, 22252158340 is an apocalyptic number.

2252158340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252158340 is an abundant number, since it is smaller than the sum of its proper divisors (2543990332).

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

2252158340 is a wasteful number, since it uses less digits than its factorization.

2252158340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586107 (or 1586105 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 2252158340 is about 47456.9103503378. The cubic root of 2252158340 is about 1310.7895595690.

The spelling of 2252158340 in words is "two billion, two hundred fifty-two million, one hundred fifty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 1586027 3172054 6344108 7930135 15860270 31720540 112607917 225215834 450431668 563039585 1126079170 2252158340