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2530396493 = 3931643703
BaseRepresentation
bin1001011011010010…
…1100100101001101
320112100101110102122
42112310230211031
520140240141433
61055031102325
7116464005152
oct22664544515
96470343378
102530396493
111089385379
125a75119a5
13314312a41
141a00c4229
15ec232198
hex96d2c94d

2530396493 has 4 divisors (see below), whose sum is σ = 2531044128. Its totient is φ = 2529748860.

The previous prime is 2530396489. The next prime is 2530396529. The reversal of 2530396493 is 3946930352.

2530396493 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2530396493 - 22 = 2530396489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530396423) 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, 317921 + ... + 325782.

It is an arithmetic number, because the mean of its divisors is an integer number (632761032).

Almost surely, 22530396493 is an apocalyptic number.

It is an amenable number.

2530396493 is a deficient number, since it is larger than the sum of its proper divisors (647635).

2530396493 is an equidigital number, since it uses as much as digits as its factorization.

2530396493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647634.

The product of its (nonzero) digits is 524880, while the sum is 44.

The square root of 2530396493 is about 50303.0465578378. The cubic root of 2530396493 is about 1362.6872496121.

The spelling of 2530396493 in words is "two billion, five hundred thirty million, three hundred ninety-six thousand, four hundred ninety-three".

Divisors: 1 3931 643703 2530396493