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2923090 = 25292309
BaseRepresentation
bin1011001001101001010010
312111111201121
423021221102
51222014330
6142352454
733563062
oct13115122
95444647
102923090
111717185
12b8b72a
137b4651
145613a2
153cb17a
hex2c9a52

2923090 has 8 divisors (see below), whose sum is σ = 5261580. Its totient is φ = 1169232.

The previous prime is 2923087. The next prime is 2923091. The reversal of 2923090 is 903292.

It can be written as a sum of positive squares in 2 ways, for example, as 2832489 + 90601 = 1683^2 + 301^2 .

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

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

It is not an unprimeable number, because it can be changed into a prime (2923091) 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, 146145 + ... + 146164.

22923090 is an apocalyptic number.

2923090 is a deficient number, since it is larger than the sum of its proper divisors (2338490).

2923090 is a wasteful number, since it uses less digits than its factorization.

2923090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292316.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 2923090 is about 1709.7046528567. The cubic root of 2923090 is about 142.9817897818.

The spelling of 2923090 in words is "two million, nine hundred twenty-three thousand, ninety".

Divisors: 1 2 5 10 292309 584618 1461545 2923090