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344680 = 23571231
BaseRepresentation
bin1010100001001101000
3122111210221
41110021220
542012210
611215424
72633620
oct1241150
9574727
10344680
11215a66
12147574
13c0b6b
148d880
156c1da
hex54268

344680 has 32 divisors (see below), whose sum is σ = 887040. Its totient is φ = 118080.

The previous prime is 344671. The next prime is 344681. The reversal of 344680 is 86443.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (344681) by changing a digit.

344680 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336 + ... + 895.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2344680 is an apocalyptic number.

It is an amenable number.

344680 is an abundant number, since it is smaller than the sum of its proper divisors (542360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344680 is a wasteful number, since it uses less digits than its factorization.

344680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 344680 is about 587.0945409387. The cubic root of 344680 is about 70.1140996314.

It can be divided in two parts, 344 and 680, that added together give a 10-th power (1024 = 210).

The spelling of 344680 in words is "three hundred forty-four thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1231 2462 4924 6155 8617 9848 12310 17234 24620 34468 43085 49240 68936 86170 172340 344680