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5428170431 = 17893587687
BaseRepresentation
bin1010000111000101…
…10100111010111111
3112000022001121222022
411003202310322333
542104102423211
62254344310355
7251341454525
oct50342647277
915008047868
105428170431
112336073872
121075a723bb
13686784488
14396cba315
1521b831bdb
hex1438b4ebf

5428170431 has 8 divisors (see below), whose sum is σ = 5812054560. Its totient is φ = 5051461888.

The previous prime is 5428170421. The next prime is 5428170469. The reversal of 5428170431 is 1340718245.

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-5428170431 is a prime.

It is a super-2 number, since 2×54281704312 = 58930068455965451522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5428170391 and 5428170400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428170421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1792331 + ... + 1795356.

It is an arithmetic number, because the mean of its divisors is an integer number (726506820).

Almost surely, 25428170431 is an apocalyptic number.

5428170431 is a deficient number, since it is larger than the sum of its proper divisors (383884129).

5428170431 is a wasteful number, since it uses less digits than its factorization.

5428170431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587793.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 5428170431 is about 73676.1184577472. The cubic root of 5428170431 is about 1757.4561250645.

Adding to 5428170431 its reverse (1340718245), we get a palindrome (6768888676).

The spelling of 5428170431 in words is "five billion, four hundred twenty-eight million, one hundred seventy thousand, four hundred thirty-one".

Divisors: 1 17 89 1513 3587687 60990679 319304143 5428170431