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5381726397 = 317105524047
BaseRepresentation
bin1010000001100011…
…01010000010111101
3111220001200000201220
411000301222002331
542010210221042
62250005023553
7250235630265
oct50061520275
914801600656
105381726397
112311931773
1210623b4bb9
13679c727b8
14390a6a7a5
1521770a8ec
hex140c6a0bd

5381726397 has 8 divisors (see below), whose sum is σ = 7597731456. Its totient is φ = 3376769472.

The previous prime is 5381726393. The next prime is 5381726407. The reversal of 5381726397 is 7936271835.

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

It is not a de Polignac number, because 5381726397 - 22 = 5381726393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 105524047 = 5381726397 / (5 + 3 + 8 + 1 + 7 + 2 + 6 + 3 + 9 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381726393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52761973 + ... + 52762074.

It is an arithmetic number, because the mean of its divisors is an integer number (949716432).

Almost surely, 25381726397 is an apocalyptic number.

It is an amenable number.

5381726397 is a deficient number, since it is larger than the sum of its proper divisors (2216005059).

5381726397 is a wasteful number, since it uses less digits than its factorization.

5381726397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105524067.

The product of its digits is 1905120, while the sum is 51.

The square root of 5381726397 is about 73360.2507970086. The cubic root of 5381726397 is about 1752.4294309067.

The spelling of 5381726397 in words is "five billion, three hundred eighty-one million, seven hundred twenty-six thousand, three hundred ninety-seven".

Divisors: 1 3 17 51 105524047 316572141 1793908799 5381726397