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5456989 = 71151509
BaseRepresentation
bin10100110100010001011101
3101021020120201
4110310101131
52344110424
6312543501
764245406
oct24642135
911236521
105456989
113097a0a
1219b1b91
131190ab5
14a209ad
1572bd44
hex53445d

5456989 has 8 divisors (see below), whose sum is σ = 5581440. Its totient is φ = 5334000.

The previous prime is 5456981. The next prime is 5456993. The reversal of 5456989 is 9896545.

5456989 is nontrivially palindromic in base 12.

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 5456989 - 23 = 5456981 is a prime.

It is a super-2 number, since 2×54569892 = 59557457892242, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5456981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10467 + ... + 10975.

It is an arithmetic number, because the mean of its divisors is an integer number (697680).

Almost surely, 25456989 is an apocalyptic number.

It is an amenable number.

5456989 is a deficient number, since it is larger than the sum of its proper divisors (124451).

5456989 is a wasteful number, since it uses less digits than its factorization.

5456989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its digits is 388800, while the sum is 46.

The square root of 5456989 is about 2336.0199057371. The cubic root of 5456989 is about 176.0560793229.

The spelling of 5456989 in words is "five million, four hundred fifty-six thousand, nine hundred eighty-nine".

Divisors: 1 71 151 509 10721 36139 76859 5456989