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5149487 = 717109397
BaseRepresentation
bin10011101001001100101111
3100200121202202
4103221030233
52304240422
6302212115
761525040
oct23511457
910617682
105149487
1129a7982
12188403b
1310b3b45
149808c7
156bab92
hex4e932f

5149487 has 16 divisors (see below), whose sum is σ = 6304320. Its totient is φ = 4105728.

The previous prime is 5149483. The next prime is 5149517. The reversal of 5149487 is 7849415.

It is a cyclic number.

It is not a de Polignac number, because 5149487 - 22 = 5149483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5149487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5149483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12773 + ... + 13169.

It is an arithmetic number, because the mean of its divisors is an integer number (394020).

Almost surely, 25149487 is an apocalyptic number.

5149487 is the 1853-rd pentagonal number.

5149487 is a deficient number, since it is larger than the sum of its proper divisors (1154833).

5149487 is a wasteful number, since it uses less digits than its factorization.

5149487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530.

The product of its digits is 40320, while the sum is 38.

The square root of 5149487 is about 2269.2481133627. The cubic root of 5149487 is about 172.6850160795.

It can be divided in two parts, 514 and 9487, that added together give a palindrome (10001).

The spelling of 5149487 in words is "five million, one hundred forty-nine thousand, four hundred eighty-seven".

Divisors: 1 7 17 109 119 397 763 1853 2779 6749 12971 43273 47243 302911 735641 5149487