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2293989 = 36531171
BaseRepresentation
bin1000110000000011100101
311022112202120
420300003211
51041401424
6121100153
725333005
oct10600345
94275676
102293989
111327565
12927659
136241b9
1443a005
15304a79
hex2300e5

2293989 has 8 divisors (see below), whose sum is σ = 3065952. Its totient is φ = 1525680.

The previous prime is 2293981. The next prime is 2294009. The reversal of 2293989 is 9893922.

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

It is not a de Polignac number, because 2293989 - 23 = 2293981 is a prime.

It is a super-3 number, since 3×22939893 = 36215563573334162007, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2293989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2293981) 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, 1374 + ... + 2544.

It is an arithmetic number, because the mean of its divisors is an integer number (383244).

22293989 is an apocalyptic number.

It is an amenable number.

2293989 is a deficient number, since it is larger than the sum of its proper divisors (771963).

2293989 is a wasteful number, since it uses less digits than its factorization.

2293989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827.

The product of its digits is 69984, while the sum is 42.

The square root of 2293989 is about 1514.5920242758. The cubic root of 2293989 is about 131.8855182794.

The spelling of 2293989 in words is "two million, two hundred ninety-three thousand, nine hundred eighty-nine".

Divisors: 1 3 653 1171 1959 3513 764663 2293989