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2152327450 = 252721367577
BaseRepresentation
bin1000000001001001…
…1110100100011010
312112222222120012111
42000102132210122
513401443434300
6553323502534
7104223324100
oct20022364432
95488876174
102152327450
11a04a29519
12500987a4a
13283bac750
14165bcbc70
15c8e519ba
hex8049e91a

2152327450 has 72 divisors (see below), whose sum is σ = 5015233692. Its totient is φ = 681166080.

The previous prime is 2152327433. The next prime is 2152327451. The reversal of 2152327450 is 547232512.

It can be written as a sum of positive squares in 6 ways, for example, as 339185889 + 1813141561 = 18417^2 + 42581^2 .

It is not an unprimeable number, because it can be changed into a prime (2152327451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1939 + ... + 65638.

Almost surely, 22152327450 is an apocalyptic number.

2152327450 is an abundant number, since it is smaller than the sum of its proper divisors (2862906242).

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

2152327450 is a wasteful number, since it uses less digits than its factorization.

2152327450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67616 (or 67604 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2152327450 is about 46393.1832277114. The cubic root of 2152327450 is about 1291.1284419161.

Adding to 2152327450 its reverse (547232512), we get a palindrome (2699559962).

The spelling of 2152327450 in words is "two billion, one hundred fifty-two million, three hundred twenty-seven thousand, four hundred fifty".

Divisors: 1 2 5 7 10 13 14 25 26 35 49 50 65 70 91 98 130 175 182 245 325 350 455 490 637 650 910 1225 1274 2275 2450 3185 4550 6370 15925 31850 67577 135154 337885 473039 675770 878501 946078 1689425 1757002 2365195 3311273 3378850 4392505 4730390 6149507 6622546 8785010 11825975 12299014 16556365 21962525 23651950 30747535 33112730 43046549 43925050 61495070 82781825 86093098 153737675 165563650 215232745 307475350 430465490 1076163725 2152327450