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2240431123 = 72771155457
BaseRepresentation
bin1000010110001010…
…0100010000010011
312210010202200201111
42011202210100103
514042022243443
61010152114151
7106343231110
oct20542442023
95703680644
102240431123
11a4a735077
12526395957
132992194b8
141737a3907
15d1a5669d
hex858a4413

2240431123 has 8 divisors (see below), whose sum is σ = 2569738592. Its totient is φ = 1913435136.

The previous prime is 2240431121. The next prime is 2240431147. The reversal of 2240431123 is 3211340422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2240431123 - 21 = 2240431121 is a prime.

It is a super-2 number, since 2×22404311232 = 10039063233814082258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2240431094 and 2240431103.

It is not an unprimeable number, because it can be changed into a prime (2240431121) 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 7 ways as a sum of consecutive naturals, for example, 575790 + ... + 579667.

It is an arithmetic number, because the mean of its divisors is an integer number (321217324).

Almost surely, 22240431123 is an apocalyptic number.

2240431123 is a deficient number, since it is larger than the sum of its proper divisors (329307469).

2240431123 is a wasteful number, since it uses less digits than its factorization.

2240431123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155741.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2240431123 is about 47333.1926136406. The cubic root of 2240431123 is about 1308.5104610669.

Adding to 2240431123 its reverse (3211340422), we get a palindrome (5451771545).

The spelling of 2240431123 in words is "two billion, two hundred forty million, four hundred thirty-one thousand, one hundred twenty-three".

Divisors: 1 7 277 1939 1155457 8088199 320061589 2240431123