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2240134421 = 72177093793
BaseRepresentation
bin1000010110000101…
…1011110100010101
312210010012121201112
42011201123310111
514041433300141
61010141504405
7106340554100
oct20541336425
95703177645
102240134421
11a4a552168
12526272105
13299144435
14173727737
15d19e87eb
hex8585bd15

2240134421 has 24 divisors (see below), whose sum is σ = 2763777240. Its totient is φ = 1804142592.

The previous prime is 2240134417. The next prime is 2240134433. The reversal of 2240134421 is 1244310422.

It can be written as a sum of positive squares in 4 ways, for example, as 58216900 + 2181917521 = 7630^2 + 46711^2 .

It is not a de Polignac number, because 2240134421 - 22 = 2240134417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240134441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 588701 + ... + 592493.

It is an arithmetic number, because the mean of its divisors is an integer number (115157385).

Almost surely, 22240134421 is an apocalyptic number.

It is an amenable number.

2240134421 is a deficient number, since it is larger than the sum of its proper divisors (523642819).

2240134421 is a wasteful number, since it uses less digits than its factorization.

2240134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533 (or 4526 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2240134421 is about 47330.0583244940. The cubic root of 2240134421 is about 1308.4526961712.

Adding to 2240134421 its reverse (1244310422), we get a palindrome (3484444843).

The spelling of 2240134421 in words is "two billion, two hundred forty million, one hundred thirty-four thousand, four hundred twenty-one".

Divisors: 1 7 17 49 119 709 833 3793 4963 12053 26551 34741 64481 84371 185857 451367 590597 2689237 3159569 18824659 45717029 131772613 320019203 2240134421