Search a number
-
+
308091201 = 3119336097
BaseRepresentation
bin10010010111010…
…001100101000001
3210110201122200020
4102113101211001
51112332404301
650323244053
710430506035
oct2227214501
9713648606
10308091201
11148a00530
1287219629
134baa18b2
142ccbc1c5
151c0ab436
hex125d1941

308091201 has 8 divisors (see below), whose sum is σ = 448132704. Its totient is φ = 186721920.

The previous prime is 308091197. The next prime is 308091209. The reversal of 308091201 is 102190803.

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

It is not a de Polignac number, because 308091201 - 22 = 308091197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (308091209) 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, 4668016 + ... + 4668081.

It is an arithmetic number, because the mean of its divisors is an integer number (56016588).

Almost surely, 2308091201 is an apocalyptic number.

It is an amenable number.

308091201 is a deficient number, since it is larger than the sum of its proper divisors (140041503).

308091201 is a wasteful number, since it uses less digits than its factorization.

308091201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336111.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 308091201 is about 17552.5269121001. The cubic root of 308091201 is about 675.3979919026.

The spelling of 308091201 in words is "three hundred eight million, ninety-one thousand, two hundred one".

Divisors: 1 3 11 33 9336097 28008291 102697067 308091201