Search a number
-
+
380807041 = 1392739619
BaseRepresentation
bin10110101100101…
…010011110000001
3222112120000001111
4112230222132001
51234441311131
6101442003321
712302543416
oct2654523601
9875500044
10380807041
11185a56a6a
12a7646541
1360b81614
143880a10d
1523671ab1
hex16b2a781

380807041 has 4 divisors (see below), whose sum is σ = 383546800. Its totient is φ = 378067284.

The previous prime is 380807039. The next prime is 380807047. The reversal of 380807041 is 140708083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 380807041 - 21 = 380807039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 380806994 and 380807012.

It is not an unprimeable number, because it can be changed into a prime (380807047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369671 + ... + 1369948.

It is an arithmetic number, because the mean of its divisors is an integer number (95886700).

Almost surely, 2380807041 is an apocalyptic number.

It is an amenable number.

380807041 is a deficient number, since it is larger than the sum of its proper divisors (2739759).

380807041 is a wasteful number, since it uses less digits than its factorization.

380807041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739758.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 380807041 is about 19514.2778754429. The cubic root of 380807041 is about 724.8280470520.

The spelling of 380807041 in words is "three hundred eighty million, eight hundred seven thousand, forty-one".

Divisors: 1 139 2739619 380807041