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5487985 = 52294793
BaseRepresentation
bin10100111011110101110001
3101022211002201
4110323311301
52401103420
6313343201
764434646
oct24736561
911284081
105487985
113109228
121a07b01
1311a1c39
14a2bdcd
1573610a
hex53bd71

5487985 has 8 divisors (see below), whose sum is σ = 6615720. Its totient is φ = 4370304.

The previous prime is 5487967. The next prime is 5488001. The reversal of 5487985 is 5897845.

5487985 = 16562 + 16572.

5487985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2745649 + 2742336 = 1657^2 + 1656^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5487985 - 27 = 5487857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252 + ... + 3541.

It is an arithmetic number, because the mean of its divisors is an integer number (826965).

Almost surely, 25487985 is an apocalyptic number.

5487985 is the 1657-th centered square number.

It is an amenable number.

5487985 is a deficient number, since it is larger than the sum of its proper divisors (1127735).

5487985 is a wasteful number, since it uses less digits than its factorization.

5487985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027.

The product of its digits is 403200, while the sum is 46.

The square root of 5487985 is about 2342.6448727880. The cubic root of 5487985 is about 176.3887862809.

The spelling of 5487985 in words is "five million, four hundred eighty-seven thousand, nine hundred eighty-five".

Divisors: 1 5 229 1145 4793 23965 1097597 5487985