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1009073 = 1377621
BaseRepresentation
bin11110110010110110001
31220021012002
43312112301
5224242243
633343345
711401622
oct3662661
91807162
101009073
1162a14a
12407b55
132943b0
141c3a49
1514deb8
hexf65b1

1009073 has 4 divisors (see below), whose sum is σ = 1086708. Its totient is φ = 931440.

The previous prime is 1009061. The next prime is 1009097. The reversal of 1009073 is 3709001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3709001 = 13727073.

It can be written as a sum of positive squares in 2 ways, for example, as 388129 + 620944 = 623^2 + 788^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009073 - 28 = 1008817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1009373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38798 + ... + 38823.

It is an arithmetic number, because the mean of its divisors is an integer number (271677).

21009073 is an apocalyptic number.

1009073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1009073 is a deficient number, since it is larger than the sum of its proper divisors (77635).

1009073 is an equidigital number, since it uses as much as digits as its factorization.

1009073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77634.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 1009073 is about 1004.5262565010. The cubic root of 1009073 is about 100.3015232568.

The spelling of 1009073 in words is "one million, nine thousand, seventy-three".

Divisors: 1 13 77621 1009073