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2538357321 = 34397192431
BaseRepresentation
bin1001011101001100…
…0100001001001001
320112220100220122010
42113103010021021
520144304413241
61055513450133
7116621452443
oct22723041111
96486326563
102538357321
111092922475
125aa110949
13315b6c3a6
141a1197493
15ecca5d16
hex974c4249

2538357321 has 8 divisors (see below), whose sum is σ = 3385263744. Its totient is φ = 1691844560.

The previous prime is 2538357313. The next prime is 2538357331. The reversal of 2538357321 is 1237538352.

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

It is a cyclic number.

It is not a de Polignac number, because 2538357321 - 23 = 2538357313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2538357321.

It is not an unprimeable number, because it can be changed into a prime (2538357301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83025 + ... + 109406.

It is an arithmetic number, because the mean of its divisors is an integer number (423157968).

Almost surely, 22538357321 is an apocalyptic number.

It is an amenable number.

2538357321 is a deficient number, since it is larger than the sum of its proper divisors (846906423).

2538357321 is a wasteful number, since it uses less digits than its factorization.

2538357321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196831.

The product of its digits is 151200, while the sum is 39.

The square root of 2538357321 is about 50382.1131057442. The cubic root of 2538357321 is about 1364.1147943121.

The spelling of 2538357321 in words is "two billion, five hundred thirty-eight million, three hundred fifty-seven thousand, three hundred twenty-one".

Divisors: 1 3 4397 13191 192431 577293 846119107 2538357321