Search a number
-
+
245472301 = 318777023
BaseRepresentation
bin11101010000110…
…01110000101101
3122002220021200201
432220121300231
51000320103201
640205153501
76040323454
oct1650316055
9562807621
10245472301
11116620a78
126a25b891
133bb188a9
142485bb9b
151683c801
hexea19c2d

245472301 has 4 divisors (see below), whose sum is σ = 245552512. Its totient is φ = 245392092.

The previous prime is 245472287. The next prime is 245472313. The reversal of 245472301 is 103274542.

245472301 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, 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 245472301 - 27 = 245472173 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 245472301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245472701) 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, 35325 + ... + 41698.

It is an arithmetic number, because the mean of its divisors is an integer number (61388128).

Almost surely, 2245472301 is an apocalyptic number.

It is an amenable number.

245472301 is a deficient number, since it is larger than the sum of its proper divisors (80211).

245472301 is an equidigital number, since it uses as much as digits as its factorization.

245472301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80210.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 245472301 is about 15667.5556804500. Note that the first 3 decimals coincide. The cubic root of 245472301 is about 626.1343036430.

The spelling of 245472301 in words is "two hundred forty-five million, four hundred seventy-two thousand, three hundred one".

Divisors: 1 3187 77023 245472301