Search a number
-
+
380103285 = 3525340219
BaseRepresentation
bin10110101001111…
…110101001110101
3222111020020200110
4112221332221311
51234301301120
6101414533233
712263552562
oct2651765165
9874206613
10380103285
11185616251
12a7367219
13609961b3
14386a5869
15235832e0
hex16a7ea75

380103285 has 8 divisors (see below), whose sum is σ = 608165280. Its totient is φ = 202721744.

The previous prime is 380103263. The next prime is 380103287. The reversal of 380103285 is 582301083.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 380103285 - 223 = 371714677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380103287) 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, 12670095 + ... + 12670124.

It is an arithmetic number, because the mean of its divisors is an integer number (76020660).

Almost surely, 2380103285 is an apocalyptic number.

It is an amenable number.

380103285 is a deficient number, since it is larger than the sum of its proper divisors (228061995).

380103285 is a wasteful number, since it uses less digits than its factorization.

380103285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25340227.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 380103285 is about 19496.2377139796. The cubic root of 380103285 is about 724.3812620323.

The spelling of 380103285 in words is "three hundred eighty million, one hundred three thousand, two hundred eighty-five".

Divisors: 1 3 5 15 25340219 76020657 126701095 380103285