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340488 = 23324729
BaseRepresentation
bin1010011001000001000
3122022001200
41103020020
541343423
611144200
72615451
oct1231010
9568050
10340488
112128a5
12145060
13bbc95
148c128
156ad43
hex53208

340488 has 24 divisors (see below), whose sum is σ = 922350. Its totient is φ = 113472.

The previous prime is 340481. The next prime is 340519. The reversal of 340488 is 884043.

It can be written as a sum of positive squares in only one way, i.e., 338724 + 1764 = 582^2 + 42^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (340481) by changing a digit.

340488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2293 + ... + 2436.

2340488 is an apocalyptic number.

It is an amenable number.

340488 is an abundant number, since it is smaller than the sum of its proper divisors (581862).

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

340488 is a wasteful number, since it uses less digits than its factorization.

340488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741 (or 4734 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 340488 is about 583.5134959879. The cubic root of 340488 is about 69.8286967769.

It can be divided in two parts, 340 and 488, that added together give a palindrome (828).

The spelling of 340488 in words is "three hundred forty thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 4729 9458 14187 18916 28374 37832 42561 56748 85122 113496 170244 340488