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5144761 = 17472137
BaseRepresentation
bin10011101000000010111001
3100200101021201
4103220002321
52304113021
6302134201
761505206
oct23500271
910611251
105144761
1129a4376
121881361
1310b194b
1497ccad
156b9591
hex4e80b9

5144761 has 12 divisors (see below), whose sum is σ = 5606388. Its totient is φ = 4704512.

The previous prime is 5144759. The next prime is 5144809. The reversal of 5144761 is 1674415.

5144761 is nontrivially palindromic in base 2.

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 1610361 = 1880^2 + 1269^2 .

It is not a de Polignac number, because 5144761 - 21 = 5144759 is a prime.

It is a super-3 number, since 3×51447613 (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37485 + ... + 37621.

It is an arithmetic number, because the mean of its divisors is an integer number (467199).

Almost surely, 25144761 is an apocalyptic number.

It is an amenable number.

5144761 is a deficient number, since it is larger than the sum of its proper divisors (461627).

5144761 is a wasteful number, since it uses less digits than its factorization.

5144761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 201 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 5144761 is about 2268.2065602586. The cubic root of 5144761 is about 172.6321720339.

The spelling of 5144761 in words is "five million, one hundred forty-four thousand, seven hundred sixty-one".

Divisors: 1 17 47 137 799 2209 2329 6439 37553 109463 302633 5144761