Search a number
-
+
344421 = 32721171
BaseRepresentation
bin1010100000101100101
3122111110100
41110011211
542010141
611214313
72633100
oct1240545
9574410
10344421
11215850
12147399
13c09cc
148d737
156c0b6
hex54165

344421 has 36 divisors (see below), whose sum is σ = 640224. Its totient is φ = 176400.

The previous prime is 344417. The next prime is 344423. The reversal of 344421 is 124443.

344421 = 363 + 373 + ... + 413.

It is not a de Polignac number, because 344421 - 22 = 344417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344394 and 344403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4816 + ... + 4886.

It is an arithmetic number, because the mean of its divisors is an integer number (17784).

2344421 is an apocalyptic number.

It is an amenable number.

344421 is a deficient number, since it is larger than the sum of its proper divisors (295803).

344421 is a wasteful number, since it uses less digits than its factorization.

344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 92 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 344421 is about 586.8739217242. The cubic root of 344421 is about 70.0965334810.

Adding to 344421 its reverse (124443), we get a palindrome (468864).

It can be divided in two parts, 34442 and 1, that added together give a palindrome (34443).

The spelling of 344421 in words is "three hundred forty-four thousand, four hundred twenty-one", and thus it is an iban number.

Divisors: 1 3 7 9 11 21 33 49 63 71 77 99 147 213 231 441 497 539 639 693 781 1491 1617 2343 3479 4473 4851 5467 7029 10437 16401 31311 38269 49203 114807 344421