Search a number
-
+
380541513 = 31111531561
BaseRepresentation
bin10110101011101…
…001101001001001
3222112001111211010
4112223221221021
51234404312023
6101432154133
712300356322
oct2653515111
9875044733
10380541513
11185895520
12a7538949
1360aba7c1
143877b449
152361d093
hex16ae9a49

380541513 has 8 divisors (see below), whose sum is σ = 553514976. Its totient is φ = 230631200.

The previous prime is 380541503. The next prime is 380541547. The reversal of 380541513 is 315145083.

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 380541513 - 28 = 380541257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (380541503) 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, 5765748 + ... + 5765813.

It is an arithmetic number, because the mean of its divisors is an integer number (69189372).

Almost surely, 2380541513 is an apocalyptic number.

380541513 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

380541513 is a deficient number, since it is larger than the sum of its proper divisors (172973463).

380541513 is a wasteful number, since it uses less digits than its factorization.

380541513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11531575.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 380541513 is about 19507.4732602662. The cubic root of 380541513 is about 724.6595392327.

Adding to 380541513 its reverse (315145083), we get a palindrome (695686596).

The spelling of 380541513 in words is "three hundred eighty million, five hundred forty-one thousand, five hundred thirteen".

Divisors: 1 3 11 33 11531561 34594683 126847171 380541513