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1445093 = 13891249
BaseRepresentation
bin101100000110011100101
32201102021222
411200303211
5332220333
650550125
715166046
oct5406345
92642258
101445093
118a77a1
12598345
133b79b0
142988cd
151d8298
hex160ce5

1445093 has 8 divisors (see below), whose sum is σ = 1575000. Its totient is φ = 1317888.

The previous prime is 1445077. The next prime is 1445107. The reversal of 1445093 is 3905441.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 1444804 = 17^2 + 1202^2 .

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

It is not a de Polignac number, because 1445093 - 24 = 1445077 is a prime.

It is a super-3 number, since 3×14450933 = 9053336164407658071, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533 + ... + 1781.

It is an arithmetic number, because the mean of its divisors is an integer number (196875).

21445093 is an apocalyptic number.

1445093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1445093 is a deficient number, since it is larger than the sum of its proper divisors (129907).

1445093 is a wasteful number, since it uses less digits than its factorization.

1445093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1445093 is about 1202.1202102951. The cubic root of 1445093 is about 113.0572972794.

The spelling of 1445093 in words is "one million, four hundred forty-five thousand, ninety-three".

Divisors: 1 13 89 1157 1249 16237 111161 1445093