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2150445252 = 223997179743
BaseRepresentation
bin1000000000101101…
…0011000011000100
312112212102221022110
42000023103003010
513401003222002
6553215301020
7104201324454
oct20013230304
95485387273
102150445252
11a0396338a
1250021a770
132836a0b17
1416585bd64
15c8bcde6c
hex802d30c4

2150445252 has 24 divisors (see below), whose sum is σ = 5022766336. Its totient is φ = 716092128.

The previous prime is 2150445239. The next prime is 2150445259. The reversal of 2150445252 is 2525440512.

It is not an unprimeable number, because it can be changed into a prime (2150445259) 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, 77908 + ... + 101835.

Almost surely, 22150445252 is an apocalyptic number.

It is an amenable number.

2150445252 is an abundant number, since it is smaller than the sum of its proper divisors (2872321084).

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

2150445252 is a wasteful number, since it uses less digits than its factorization.

2150445252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180747 (or 180745 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2150445252 is about 46372.8935047189. The cubic root of 2150445252 is about 1290.7519706838.

Adding to 2150445252 its reverse (2525440512), we get a palindrome (4675885764).

The spelling of 2150445252 in words is "two billion, one hundred fifty million, four hundred forty-five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 997 1994 2991 3988 5982 11964 179743 359486 539229 718972 1078458 2156916 179203771 358407542 537611313 716815084 1075222626 2150445252