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5470645 = 51094129
BaseRepresentation
bin10100110111100110110101
3101021221022111
4110313212311
52400030040
6313131021
764333255
oct24674665
911257274
105470645
1130a71a4
1219b9a71
13119708b
14a25965
15730dea
hex5379b5

5470645 has 4 divisors (see below), whose sum is σ = 6564780. Its totient is φ = 4376512.

The previous prime is 5470643. The next prime is 5470679. The reversal of 5470645 is 5460745.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2617924 + 2852721 = 1618^2 + 1689^2 .

It is a cyclic number.

It is not a de Polignac number, because 5470645 - 21 = 5470643 is a prime.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (5470643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547060 + ... + 547069.

It is an arithmetic number, because the mean of its divisors is an integer number (1641195).

Almost surely, 25470645 is an apocalyptic number.

It is an amenable number.

5470645 is a deficient number, since it is larger than the sum of its proper divisors (1094135).

5470645 is a wasteful number, since it uses less digits than its factorization.

5470645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094134.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 5470645 is about 2338.9409996834. The cubic root of 5470645 is about 176.2028158656.

The spelling of 5470645 in words is "five million, four hundred seventy thousand, six hundred forty-five".

Divisors: 1 5 1094129 5470645