Search a number
-
+
344465240 = 23571230233
BaseRepresentation
bin10100100010000…
…001111101011000
3220000011122110212
4110202001331120
51201140341430
654103030252
711351622560
oct2442017530
9800148425
10344465240
11167494919
129743b388
1356498bb2
1433a69da0
1520393b95
hex14881f58

344465240 has 32 divisors (see below), whose sum is σ = 885768480. Its totient is φ = 118102272.

The previous prime is 344465239. The next prime is 344465243. The reversal of 344465240 is 42564443.

344465240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 344465197 and 344465206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344465243) 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, 614837 + ... + 615396.

It is an arithmetic number, because the mean of its divisors is an integer number (27680265).

Almost surely, 2344465240 is an apocalyptic number.

It is an amenable number.

344465240 is an abundant number, since it is smaller than the sum of its proper divisors (541303240).

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

344465240 is a wasteful number, since it uses less digits than its factorization.

344465240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230251 (or 1230247 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 344465240 is about 18559.7747831163. The cubic root of 344465240 is about 700.9953459289.

The spelling of 344465240 in words is "three hundred forty-four million, four hundred sixty-five thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1230233 2460466 4920932 6151165 8611631 9841864 12302330 17223262 24604660 34446524 43058155 49209320 68893048 86116310 172232620 344465240