Search a number
-
+
1380050 = 25273943
BaseRepresentation
bin101010000111011010010
32121010001222
411100323102
5323130200
645325042
714505320
oct5207322
92533058
101380050
11862941
12566782
133941c9
1427cd10
151c3d85
hex150ed2

1380050 has 24 divisors (see below), whose sum is σ = 2934336. Its totient is φ = 473040.

The previous prime is 1380047. The next prime is 1380053. The reversal of 1380050 is 500831.

It is an interprime number because it is at equal distance from previous prime (1380047) and next prime (1380053).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1380053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1622 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (122264).

21380050 is an apocalyptic number.

1380050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380050 is an abundant number, since it is smaller than the sum of its proper divisors (1554286).

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

1380050 is a wasteful number, since it uses less digits than its factorization.

1380050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962 (or 3957 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1380050 is about 1174.7552936676. The cubic root of 1380050 is about 111.3349727449.

Adding to 1380050 its reverse (500831), we get a palindrome (1880881).

The spelling of 1380050 in words is "one million, three hundred eighty thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 3943 7886 19715 27601 39430 55202 98575 138005 197150 276010 690025 1380050