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380006201 = 1489255209
BaseRepresentation
bin10110101001100…
…110111100111001
3222111001022111202
4112221212330321
51234240144301
6101412503545
712262666541
oct2651467471
9874038452
10380006201
1118555a313
12a731abb5
1360960c53
143867c321
152356466b
hex16a66f39

380006201 has 4 divisors (see below), whose sum is σ = 380262900. Its totient is φ = 379749504.

The previous prime is 380006191. The next prime is 380006203. The reversal of 380006201 is 102600083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102600083 = 176035299.

It can be written as a sum of positive squares in 2 ways, for example, as 149695225 + 230310976 = 12235^2 + 15176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-380006201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380006203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126116 + ... + 129093.

It is an arithmetic number, because the mean of its divisors is an integer number (95065725).

Almost surely, 2380006201 is an apocalyptic number.

It is an amenable number.

380006201 is a deficient number, since it is larger than the sum of its proper divisors (256699).

380006201 is a wasteful number, since it uses less digits than its factorization.

380006201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256698.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 380006201 is about 19493.7477412631. The cubic root of 380006201 is about 724.3195842186.

Adding to 380006201 its reverse (102600083), we get a palindrome (482606284).

The spelling of 380006201 in words is "three hundred eighty million, six thousand, two hundred one".

Divisors: 1 1489 255209 380006201