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2311002252 = 223413548671
BaseRepresentation
bin1000100110111111…
…0001100010001100
312222001120002010000
42021233301202030
514213104033002
61021152444300
7111161123616
oct21157614214
95861502100
102311002252
11a86556219
12545b49690
132aaa27c70
1417ccd3db6
15d7d4661c
hex89bf188c

2311002252 has 60 divisors (see below), whose sum is σ = 6506152576. Its totient is φ = 711076320.

The previous prime is 2311002251. The next prime is 2311002259. The reversal of 2311002252 is 2522001132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2311002251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 270124 + ... + 278547.

Almost surely, 22311002252 is an apocalyptic number.

It is an amenable number.

2311002252 is an abundant number, since it is smaller than the sum of its proper divisors (4195150324).

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

2311002252 is a wasteful number, since it uses less digits than its factorization.

2311002252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548700 (or 548689 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2311002252 is about 48072.8847896608. The cubic root of 2311002252 is about 1322.1075629448.

Adding to 2311002252 its reverse (2522001132), we get a palindrome (4833003384).

The spelling of 2311002252 in words is "two billion, three hundred eleven million, two thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 234 324 351 468 702 1053 1404 2106 4212 548671 1097342 1646013 2194684 3292026 4938039 6584052 7132723 9876078 14265446 14814117 19752156 21398169 28530892 29628234 42796338 44442351 59256468 64194507 85592676 88884702 128389014 177769404 192583521 256778028 385167042 577750563 770334084 1155501126 2311002252