Search a number
-
+
380176197 = 3126725399
BaseRepresentation
bin10110101010010…
…000011101000101
3222111100221200220
4112222100131011
51234311114242
6101420254553
712264305262
oct2652203505
9874327626
10380176197
11185666005
12a73a1459
13609c043b
14386c4269
1523599bec
hex16a90745

380176197 has 4 divisors (see below), whose sum is σ = 506901600. Its totient is φ = 253450796.

The previous prime is 380176169. The next prime is 380176267. The reversal of 380176197 is 791671083.

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 380176197 - 28 = 380175941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380176297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63362697 + ... + 63362702.

It is an arithmetic number, because the mean of its divisors is an integer number (126725400).

Almost surely, 2380176197 is an apocalyptic number.

It is an amenable number.

380176197 is a deficient number, since it is larger than the sum of its proper divisors (126725403).

380176197 is a wasteful number, since it uses less digits than its factorization.

380176197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126725402.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 380176197 is about 19498.1075235521. The cubic root of 380176197 is about 724.4275763824.

The spelling of 380176197 in words is "three hundred eighty million, one hundred seventy-six thousand, one hundred ninety-seven".

Divisors: 1 3 126725399 380176197