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5723145 = 325891429
BaseRepresentation
bin10101110101010000001001
3101202202200100
4111311100021
52431120040
6322400013
766434361
oct25652011
911682610
105723145
11325997a
121b00009
131254c9c
14a8d9a1
15780b30
hex575409

5723145 has 24 divisors (see below), whose sum is σ = 10038600. Its totient is φ = 3015936.

The previous prime is 5723131. The next prime is 5723147. The reversal of 5723145 is 5413275.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 63504 + 5659641 = 252^2 + 2379^2 .

It is not a de Polignac number, because 5723145 - 24 = 5723129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5723147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3291 + ... + 4719.

It is an arithmetic number, because the mean of its divisors is an integer number (418275).

Almost surely, 25723145 is an apocalyptic number.

It is an amenable number.

5723145 is a deficient number, since it is larger than the sum of its proper divisors (4315455).

5723145 is a wasteful number, since it uses less digits than its factorization.

5723145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1526 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 5723145 is about 2392.3095535486. The cubic root of 5723145 is about 178.8730516923.

The spelling of 5723145 in words is "five million, seven hundred twenty-three thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 89 267 445 801 1335 1429 4005 4287 7145 12861 21435 64305 127181 381543 635905 1144629 1907715 5723145