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340923 = 31110331
BaseRepresentation
bin1010011001110111011
3122022122210
41103032323
541402143
611150203
72616642
oct1231673
9568583
10340923
11213160
12145363
13bc23b
148c359
156b033
hex533bb

340923 has 8 divisors (see below), whose sum is σ = 495936. Its totient is φ = 206600.

The previous prime is 340919. The next prime is 340927. The reversal of 340923 is 329043.

It is an interprime number because it is at equal distance from previous prime (340919) and next prime (340927).

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

It is a cyclic number.

It is not a de Polignac number, because 340923 - 22 = 340919 is a prime.

340923 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 340923.

It is not an unprimeable number, because it can be changed into a prime (340927) 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, 5133 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (61992).

2340923 is an apocalyptic number.

340923 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

340923 is a deficient number, since it is larger than the sum of its proper divisors (155013).

340923 is a wasteful number, since it uses less digits than its factorization.

340923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 340923 is about 583.8861190335. The cubic root of 340923 is about 69.8584213257.

Adding to 340923 its reverse (329043), we get a palindrome (669966).

The spelling of 340923 in words is "three hundred forty thousand, nine hundred twenty-three".

Divisors: 1 3 11 33 10331 30993 113641 340923