Search a number
-
+
344008040 = 23541474463
BaseRepresentation
bin10100100000010…
…010010101101000
3212222022102022112
4110200102111220
51201031224130
654045141452
711345006615
oct2440222550
9788272275
10344008040
11167202372
129725a888
1356368a6c
143398b50c
1520303495
hex14812568

344008040 has 64 divisors (see below), whose sum is σ = 809948160. Its totient is φ = 131361280.

The previous prime is 344008037. The next prime is 344008061. The reversal of 344008040 is 40800443.

It is a junction number, because it is equal to n+sod(n) for n = 344007997 and 344008015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74849 + ... + 79311.

It is an arithmetic number, because the mean of its divisors is an integer number (12655440).

Almost surely, 2344008040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344008040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404974080).

344008040 is an abundant number, since it is smaller than the sum of its proper divisors (465940120).

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

344008040 is a wasteful number, since it uses less digits than its factorization.

344008040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562 (or 4558 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 344008040 is about 18547.4537335991. The cubic root of 344008040 is about 700.6850708178.

Adding to 344008040 its reverse (40800443), we get a palindrome (384808483).

The spelling of 344008040 in words is "three hundred forty-four million, eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 41 47 82 94 164 188 205 235 328 376 410 470 820 940 1640 1880 1927 3854 4463 7708 8926 9635 15416 17852 19270 22315 35704 38540 44630 77080 89260 178520 182983 209761 365966 419522 731932 839044 914915 1048805 1463864 1678088 1829830 2097610 3659660 4195220 7319320 8390440 8600201 17200402 34400804 43001005 68801608 86002010 172004020 344008040