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2265346489 = 72193323917
BaseRepresentation
bin1000011100000110…
…0111000110111001
312211212122112011211
42013001213012321
514114412041424
61012442123121
7110065061500
oct20701470671
95755575154
102265346489
11a6280238a
125327b04a1
132a1431013
14176c0b837
15d3d28b94
hex870671b9

2265346489 has 12 divisors (see below), whose sum is σ = 2636672484. Its totient is φ = 1940639904.

The previous prime is 2265346487. The next prime is 2265346529. The reversal of 2265346489 is 9846435622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1465588089 + 799758400 = 38283^2 + 28280^2 .

It is not a de Polignac number, because 2265346489 - 21 = 2265346487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2265346481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82759 + ... + 106675.

It is an arithmetic number, because the mean of its divisors is an integer number (219722707).

Almost surely, 22265346489 is an apocalyptic number.

It is an amenable number.

2265346489 is a deficient number, since it is larger than the sum of its proper divisors (371325995).

2265346489 is a wasteful number, since it uses less digits than its factorization.

2265346489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25864 (or 25857 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The square root of 2265346489 is about 47595.6561988592. The cubic root of 2265346489 is about 1313.3431477289.

The spelling of 2265346489 in words is "two billion, two hundred sixty-five million, three hundred forty-six thousand, four hundred eighty-nine".

Divisors: 1 7 49 1933 13531 23917 94717 167419 1171933 46231561 323620927 2265346489