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5487644 = 221371911
BaseRepresentation
bin10100111011110000011100
3101022210122002
4110323300130
52401101034
6313341432
764433651
oct24736034
911283562
105487644
113108a48
121a07878
1311a1a36
14a2bc28
15735e7e
hex53bc1c

5487644 has 6 divisors (see below), whose sum is σ = 9603384. Its totient is φ = 2743820.

The previous prime is 5487631. The next prime is 5487659. The reversal of 5487644 is 4467845.

It is a super-2 number, since 2×54876442 = 60228473341472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5487598 and 5487607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685952 + ... + 685959.

It is an arithmetic number, because the mean of its divisors is an integer number (1600564).

Almost surely, 25487644 is an apocalyptic number.

It is an amenable number.

5487644 is a deficient number, since it is larger than the sum of its proper divisors (4115740).

5487644 is a wasteful number, since it uses less digits than its factorization.

5487644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371915 (or 1371913 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 5487644 is about 2342.5720906730. The cubic root of 5487644 is about 176.3851328561.

It can be divided in two parts, 548 and 7644, that added together give a 13-th power (8192 = 213).

The spelling of 5487644 in words is "five million, four hundred eighty-seven thousand, six hundred forty-four".

Divisors: 1 2 4 1371911 2743822 5487644