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2493493697 = 3797656701
BaseRepresentation
bin1001010010011111…
…1011000111000001
320102202221121022102
42110213323013001
520101313244242
61051232120145
7115535226632
oct22447730701
96382847272
102493493697
11106a56a7a2
12597096055
13309791b76
14199239889
15e8d92e32
hex949fb1c1

2493493697 has 4 divisors (see below), whose sum is σ = 2494154196. Its totient is φ = 2492833200.

The previous prime is 2493493637. The next prime is 2493493741. The reversal of 2493493697 is 7963943942.

2493493697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235438336 + 2258055361 = 15344^2 + 47519^2 .

It is a cyclic number.

It is not a de Polignac number, because 2493493697 - 212 = 2493489601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2493493627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324554 + ... + 332147.

It is an arithmetic number, because the mean of its divisors is an integer number (623538549).

Almost surely, 22493493697 is an apocalyptic number.

It is an amenable number.

2493493697 is a deficient number, since it is larger than the sum of its proper divisors (660499).

2493493697 is an equidigital number, since it uses as much as digits as its factorization.

2493493697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660498.

The product of its digits is 8817984, while the sum is 56.

The square root of 2493493697 is about 49934.8945828466. The cubic root of 2493493697 is about 1356.0303971934.

The spelling of 2493493697 in words is "two billion, four hundred ninety-three million, four hundred ninety-three thousand, six hundred ninety-seven".

Divisors: 1 3797 656701 2493493697