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5556487 = 2926607
BaseRepresentation
bin10101001100100100000111
3101110022001211
4111030210013
52410301422
6315032251
765141446
oct25144407
911408054
105556487
113155742
121a3b687
1311c7181
14a48d5d
1574b577
hex54c907

5556487 has 6 divisors (see below), whose sum is σ = 5755568. Its totient is φ = 5364072.

The previous prime is 5556479. The next prime is 5556517. The reversal of 5556487 is 7846555.

It is not a de Polignac number, because 5556487 - 23 = 5556479 is a prime.

It is a super-4 number, since 4×55564874 (a number of 28 digits) contains 4444 as substring.

It is a Duffinian number.

5556487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2463 + ... + 4144.

Almost surely, 25556487 is an apocalyptic number.

5556487 is a deficient number, since it is larger than the sum of its proper divisors (199081).

5556487 is an equidigital number, since it uses as much as digits as its factorization.

5556487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665 (or 6636 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 5556487 is about 2357.2201848788. The cubic root of 5556487 is about 177.1196590515.

The spelling of 5556487 in words is "five million, five hundred fifty-six thousand, four hundred eighty-seven".

Divisors: 1 29 841 6607 191603 5556487