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5400697 = 14093833
BaseRepresentation
bin10100100110100001111001
3101011101100211
4110212201321
52340310242
6311431121
763622321
oct24464171
911141324
105400697
113059695
1219854a1
1311712a3
14a08281
1571a317
hex526879

5400697 has 4 divisors (see below), whose sum is σ = 5405940. Its totient is φ = 5395456.

The previous prime is 5400673. The next prime is 5400701. The reversal of 5400697 is 7960045.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 467856 + 4932841 = 684^2 + 2221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5400697 is a prime.

It is a super-3 number, since 3×54006973 (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

5400697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5400097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508 + ... + 3325.

It is an arithmetic number, because the mean of its divisors is an integer number (1351485).

Almost surely, 25400697 is an apocalyptic number.

It is an amenable number.

5400697 is a deficient number, since it is larger than the sum of its proper divisors (5243).

5400697 is a wasteful number, since it uses less digits than its factorization.

5400697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 5400697 is about 2323.9399734072. The cubic root of 5400697 is about 175.4486122657.

The spelling of 5400697 in words is "five million, four hundred thousand, six hundred ninety-seven".

Divisors: 1 1409 3833 5400697