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1140747236 = 22285186809
BaseRepresentation
bin100001111111110…
…0110101111100100
32221111111222000122
41003333212233210
54314012402421
6305110101112
740161122456
oct10377465744
92844458018
101140747236
11535a16312
1227a04a798
13152449685
14ab7082d6
156a2342ab
hex43fe6be4

1140747236 has 6 divisors (see below), whose sum is σ = 1996307670. Its totient is φ = 570373616.

The previous prime is 1140747233. The next prime is 1140747253. The reversal of 1140747236 is 6327470411.

It can be written as a sum of positive squares in only one way, i.e., 663062500 + 477684736 = 25750^2 + 21856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1140747196 and 1140747205.

It is not an unprimeable number, because it can be changed into a prime (1140747233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142593401 + ... + 142593408.

It is an arithmetic number, because the mean of its divisors is an integer number (332717945).

Almost surely, 21140747236 is an apocalyptic number.

It is an amenable number.

1140747236 is a deficient number, since it is larger than the sum of its proper divisors (855560434).

1140747236 is a wasteful number, since it uses less digits than its factorization.

1140747236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285186813 (or 285186811 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1140747236 is about 33774.9498297185. The cubic root of 1140747236 is about 1044.8721212840.

The spelling of 1140747236 in words is "one billion, one hundred forty million, seven hundred forty-seven thousand, two hundred thirty-six".

Divisors: 1 2 4 285186809 570373618 1140747236