Search a number
-
+
245505201 = 3439118637
BaseRepresentation
bin11101010001000…
…01110010110001
3122002221221211020
432220201302301
51000322131301
640210010053
76040521414
oct1650416261
9562857736
10245505201
11116643767
126a276929
133bb2a866
1424869b7b
1516847436
hexea21cb1

245505201 has 8 divisors (see below), whose sum is σ = 327432384. Its totient is φ = 163624080.

The previous prime is 245505199. The next prime is 245505217. The reversal of 245505201 is 102505542.

It is a happy number.

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

It is not a de Polignac number, because 245505201 - 21 = 245505199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245505301) 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 7 ways as a sum of consecutive naturals, for example, 3855 + ... + 22491.

It is an arithmetic number, because the mean of its divisors is an integer number (40929048).

Almost surely, 2245505201 is an apocalyptic number.

It is an amenable number.

245505201 is a deficient number, since it is larger than the sum of its proper divisors (81927183).

245505201 is a wasteful number, since it uses less digits than its factorization.

245505201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23031.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 245505201 is about 15668.6055856927. The cubic root of 245505201 is about 626.1622754322.

The spelling of 245505201 in words is "two hundred forty-five million, five hundred five thousand, two hundred one".

Divisors: 1 3 4391 13173 18637 55911 81835067 245505201