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2153045230 = 257191618831
BaseRepresentation
bin1000000001010100…
…1101110011101110
312120001100000210221
42000111031303232
513402134421410
6553351121554
7104232403540
oct20025156356
95501300727
102153045230
11a05379826
125010732ba
132840a137b
14165d37690
15c90444da
hex8054dcee

2153045230 has 32 divisors (see below), whose sum is σ = 4662236160. Its totient is φ = 699334560.

The previous prime is 2153045183. The next prime is 2153045243. The reversal of 2153045230 is 325403512.

It is a junction number, because it is equal to n+sod(n) for n = 2153045195 and 2153045204.

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, 808086 + ... + 810745.

It is an arithmetic number, because the mean of its divisors is an integer number (145694880).

Almost surely, 22153045230 is an apocalyptic number.

2153045230 is an abundant number, since it is smaller than the sum of its proper divisors (2509190930).

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

2153045230 is a wasteful number, since it uses less digits than its factorization.

2153045230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618864.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2153045230 is about 46400.9184176348. The cubic root of 2153045230 is about 1291.2719521693.

Adding to 2153045230 its reverse (325403512), we get a palindrome (2478448742).

The spelling of 2153045230 in words is "two billion, one hundred fifty-three million, forty-five thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 1618831 3237662 8094155 11331817 16188310 22663634 30757789 56659085 61515578 113318170 153788945 215304523 307577890 430609046 1076522615 2153045230