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5981445 = 375547
BaseRepresentation
bin10110110100010100000101
3102020220000000
4112310110011
53012401240
6332111513
7101561421
oct26642405
912226000
105981445
113415a48
122005599
131315722
14b19b81
157d2430
hex5b4505

5981445 has 32 divisors (see below), whose sum is σ = 10784640. Its totient is φ = 3184272.

The previous prime is 5981441. The next prime is 5981471. The reversal of 5981445 is 5441895.

It is not a de Polignac number, because 5981445 - 22 = 5981441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5981441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10662 + ... + 11208.

It is an arithmetic number, because the mean of its divisors is an integer number (337020).

Almost surely, 25981445 is an apocalyptic number.

It is an amenable number.

5981445 is a deficient number, since it is larger than the sum of its proper divisors (4803195).

5981445 is an frugal number, since it uses more digits than its factorization.

5981445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 555 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 5981445 is about 2445.6992865027. The cubic root of 5981445 is about 181.5245510126.

The spelling of 5981445 in words is "five million, nine hundred eighty-one thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 547 729 1215 1641 2187 2735 3645 4923 8205 10935 14769 24615 44307 73845 132921 221535 398763 664605 1196289 1993815 5981445