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1072923 = 31013541
BaseRepresentation
bin100000101111100011011
32000111202220
410011330123
5233313143
634555123
712056025
oct4057433
92014686
101072923
11673115
12438aa3
132b7487
141dd015
15162d83
hex105f1b

1072923 has 8 divisors (see below), whose sum is σ = 1445136. Its totient is φ = 708000.

The previous prime is 1072919. The next prime is 1072931. The reversal of 1072923 is 3292701.

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

It is not a de Polignac number, because 1072923 - 22 = 1072919 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1072893 and 1072902.

It is not an unprimeable number, because it can be changed into a prime (1072933) 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, 1468 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (180642).

21072923 is an apocalyptic number.

1072923 is a deficient number, since it is larger than the sum of its proper divisors (372213).

1072923 is a wasteful number, since it uses less digits than its factorization.

1072923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1072923 is about 1035.8199650518. The cubic root of 1072923 is about 102.3739636666.

The spelling of 1072923 in words is "one million, seventy-two thousand, nine hundred twenty-three".

Divisors: 1 3 101 303 3541 10623 357641 1072923