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2445993 = 321131797
BaseRepresentation
bin1001010101001010101001
311121021021100
421111022221
51111232433
6124232013
726535114
oct11251251
94537240
102445993
111420790
1299b609
13678444
1447957b
15334b13
hex2552a9

2445993 has 24 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 1432800.

The previous prime is 2445991. The next prime is 2446009. The reversal of 2445993 is 3995442.

2445993 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 2445993 - 21 = 2445991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2445991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2671 + ... + 3467.

It is an arithmetic number, because the mean of its divisors is an integer number (165984).

22445993 is an apocalyptic number.

It is an amenable number.

2445993 is a deficient number, since it is larger than the sum of its proper divisors (1537623).

2445993 is a wasteful number, since it uses less digits than its factorization.

2445993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 842 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2445993 is about 1563.9670712646. The cubic root of 2445993 is about 134.7364405222.

The spelling of 2445993 in words is "two million, four hundred forty-five thousand, nine hundred ninety-three".

Divisors: 1 3 9 11 31 33 93 99 279 341 797 1023 2391 3069 7173 8767 24707 26301 74121 78903 222363 271777 815331 2445993