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2309390 = 25230939
BaseRepresentation
bin1000110011110100001110
311100022212222
420303310032
51042400030
6121255342
725425626
oct10636416
94308788
102309390
111338096
12934552
1362b205
14441886
153093e5
hex233d0e

2309390 has 8 divisors (see below), whose sum is σ = 4156920. Its totient is φ = 923752.

The previous prime is 2309389. The next prime is 2309413. The reversal of 2309390 is 939032.

2309390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 115460 + ... + 115479.

It is an arithmetic number, because the mean of its divisors is an integer number (519615).

22309390 is an apocalyptic number.

2309390 is a deficient number, since it is larger than the sum of its proper divisors (1847530).

2309390 is a wasteful number, since it uses less digits than its factorization.

2309390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230946.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 2309390 is about 1519.6677268403. The cubic root of 2309390 is about 132.1800038876.

The spelling of 2309390 in words is "two million, three hundred nine thousand, three hundred ninety".

Divisors: 1 2 5 10 230939 461878 1154695 2309390