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307945201 = 2711113591
BaseRepresentation
bin10010010110101…
…101111011110001
3210110110020101211
4102112231323301
51112313221301
650320200121
710426330264
oct2226557361
9713406354
10307945201
11148910873
1287169041
134ba502c5
142cc80cdb
151c07d051
hex125adef1

307945201 has 4 divisors (see below), whose sum is σ = 308061504. Its totient is φ = 307828900.

The previous prime is 307945193. The next prime is 307945207. The reversal of 307945201 is 102549703.

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 307945201 - 23 = 307945193 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307945207) 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, 54085 + ... + 59506.

It is an arithmetic number, because the mean of its divisors is an integer number (77015376).

Almost surely, 2307945201 is an apocalyptic number.

It is an amenable number.

307945201 is a deficient number, since it is larger than the sum of its proper divisors (116303).

307945201 is a wasteful number, since it uses less digits than its factorization.

307945201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116302.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 307945201 is about 17548.3674739276. The cubic root of 307945201 is about 675.2912879062.

The spelling of 307945201 in words is "three hundred seven million, nine hundred forty-five thousand, two hundred one".

Divisors: 1 2711 113591 307945201