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308035201 = 1916212379
BaseRepresentation
bin10010010111000…
…011111010000001
3210110121210212011
4102113003322001
51112324111301
650322132521
710430153545
oct2227037201
9713553764
10308035201
11148972451
12871b1141
134ba82266
142cca5a25
151c099a51
hex125c3e81

308035201 has 4 divisors (see below), whose sum is σ = 324247600. Its totient is φ = 291822804.

The previous prime is 308035181. The next prime is 308035207. The reversal of 308035201 is 102530803.

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 308035201 - 225 = 274480769 is a prime.

It is a super-2 number, since 2×3080352012 = 189771370110220802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (308035207) 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, 8106171 + ... + 8106208.

It is an arithmetic number, because the mean of its divisors is an integer number (81061900).

Almost surely, 2308035201 is an apocalyptic number.

It is an amenable number.

308035201 is a deficient number, since it is larger than the sum of its proper divisors (16212399).

308035201 is a wasteful number, since it uses less digits than its factorization.

308035201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16212398.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 308035201 is about 17550.9316276943. The cubic root of 308035201 is about 675.3570683284.

The spelling of 308035201 in words is "three hundred eight million, thirty-five thousand, two hundred one".

Divisors: 1 19 16212379 308035201