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5490130321 = 13422317717
BaseRepresentation
bin1010001110011110…
…01011110110010001
3112011121122111222001
411013033023312101
542220433132241
62304440314001
7253023223564
oct50717136621
915147574861
105490130321
112368043195
121092772901
13696569530
143a12084db
15221ec0431
hex1473cbd91

5490130321 has 4 divisors (see below), whose sum is σ = 5912448052. Its totient is φ = 5067812592.

The previous prime is 5490130319. The next prime is 5490130339. The reversal of 5490130321 is 1230310945.

5490130321 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1230310945 = 5246062189.

It can be written as a sum of positive squares in 2 ways, for example, as 1149955921 + 4340174400 = 33911^2 + 65880^2 .

It is a cyclic number.

It is not a de Polignac number, because 5490130321 - 21 = 5490130319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5490130321.

It is not an unprimeable number, because it can be changed into a prime (5490130381) 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, 211158846 + ... + 211158871.

It is an arithmetic number, because the mean of its divisors is an integer number (1478112013).

Almost surely, 25490130321 is an apocalyptic number.

It is an amenable number.

5490130321 is a deficient number, since it is larger than the sum of its proper divisors (422317731).

5490130321 is a wasteful number, since it uses less digits than its factorization.

5490130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422317730.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 5490130321 is about 74095.4136299947. The cubic root of 5490130321 is about 1764.1176747041.

The spelling of 5490130321 in words is "five billion, four hundred ninety million, one hundred thirty thousand, three hundred twenty-one".

Divisors: 1 13 422317717 5490130321