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2051031224 = 231123307173
BaseRepresentation
bin111101001000000…
…0100000010111000
312021221101011220102
41322100010002320
513200030444344
6535304414532
7101553322604
oct17220040270
95257334812
102051031224
11962832130
12492a77448
13268c03c58
14156580504
15c00e2e4e
hex7a4040b8

2051031224 has 16 divisors (see below), whose sum is σ = 4195291320. Its totient is φ = 932286880.

The previous prime is 2051031221. The next prime is 2051031263. The reversal of 2051031224 is 4221301502.

It is a junction number, because it is equal to n+sod(n) for n = 2051031196 and 2051031205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051031221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11653499 + ... + 11653674.

Almost surely, 22051031224 is an apocalyptic number.

It is an amenable number.

2051031224 is an abundant number, since it is smaller than the sum of its proper divisors (2144260096).

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

2051031224 is a wasteful number, since it uses less digits than its factorization.

2051031224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23307190 (or 23307186 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2051031224 is about 45288.3122229124. The cubic root of 2051031224 is about 1270.5470650338.

Adding to 2051031224 its reverse (4221301502), we get a palindrome (6272332726).

The spelling of 2051031224 in words is "two billion, fifty-one million, thirty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 88 23307173 46614346 93228692 186457384 256378903 512757806 1025515612 2051031224