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245969099 = 571430769
BaseRepresentation
bin11101010100100…
…11000011001011
3122010211112011122
432222103003023
51000432002344
640223545455
76044463035
oct1652230313
9563745148
10245969099
11116930252
126a45b28b
133bc60a5c
142494ac55
15168d9aee
hexea930cb

245969099 has 4 divisors (see below), whose sum is σ = 246400440. Its totient is φ = 245537760.

The previous prime is 245969071. The next prime is 245969149. The reversal of 245969099 is 990969542.

245969099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245969099 - 28 = 245968843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245969099.

It is not an unprimeable number, because it can be changed into a prime (245969029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214814 + ... + 215955.

It is an arithmetic number, because the mean of its divisors is an integer number (61600110).

Almost surely, 2245969099 is an apocalyptic number.

245969099 is a deficient number, since it is larger than the sum of its proper divisors (431341).

245969099 is an equidigital number, since it uses as much as digits as its factorization.

245969099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431340.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The square root of 245969099 is about 15683.4020225205. The cubic root of 245969099 is about 626.5564186933.

The spelling of 245969099 in words is "two hundred forty-five million, nine hundred sixty-nine thousand, ninety-nine".

Divisors: 1 571 430769 245969099