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2493582653 = 29346118461
BaseRepresentation
bin1001010010100001…
…0000110100111101
320102210010010100002
42110220100310331
520101324121103
61051234044045
7115536050162
oct22450206475
96383103302
102493582653
11106a620611
12597119625
133097c34c3
14199260069
15e8dae488
hex94a10d3d

2493582653 has 8 divisors (see below), whose sum is σ = 2507656536. Its totient is φ = 2479547200.

The previous prime is 2493582647. The next prime is 2493582673. The reversal of 2493582653 is 3562853942.

It can be written as a sum of positive squares in 4 ways, for example, as 208455844 + 2285126809 = 14438^2 + 47803^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2493582653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2493582598 and 2493582607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493582673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125843 + ... + 144303.

It is an arithmetic number, because the mean of its divisors is an integer number (313457067).

Almost surely, 22493582653 is an apocalyptic number.

It is an amenable number.

2493582653 is a deficient number, since it is larger than the sum of its proper divisors (14073883).

2493582653 is a wasteful number, since it uses less digits than its factorization.

2493582653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19215.

The product of its digits is 1555200, while the sum is 47.

The square root of 2493582653 is about 49935.7852947163. The cubic root of 2493582653 is about 1356.0465225741.

The spelling of 2493582653 in words is "two billion, four hundred ninety-three million, five hundred eighty-two thousand, six hundred fifty-three".

Divisors: 1 293 461 18461 135073 5409073 8510521 2493582653