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5197931 = 23297793
BaseRepresentation
bin10011110101000001101011
3100210002012222
4103311001223
52312313211
6303224255
762116214
oct23650153
910702188
105197931
112a30312
1218a808b
1310ccbcb
1499440b
156ca1db
hex4f506b

5197931 has 8 divisors (see below), whose sum is σ = 5611680. Its totient is φ = 4799872.

The previous prime is 5197909. The next prime is 5197943. The reversal of 5197931 is 1397915.

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 5197931 - 218 = 4935787 is a prime.

It is a super-2 number, since 2×51979312 = 54036973361522, 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 = 5197891 and 5197900.

It is not an unprimeable number, because it can be changed into a prime (5197831) 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, 3230 + ... + 4563.

It is an arithmetic number, because the mean of its divisors is an integer number (701460).

Almost surely, 25197931 is an apocalyptic number.

5197931 is a deficient number, since it is larger than the sum of its proper divisors (413749).

5197931 is a wasteful number, since it uses less digits than its factorization.

5197931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845.

The product of its digits is 8505, while the sum is 35.

The square root of 5197931 is about 2279.8971468029. The cubic root of 5197931 is about 173.2248404725.

The spelling of 5197931 in words is "five million, one hundred ninety-seven thousand, nine hundred thirty-one".

Divisors: 1 23 29 667 7793 179239 225997 5197931