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245241273 = 3128963419
BaseRepresentation
bin11101001111000…
…01010110111001
3122002110112210010
432213201112321
51000240210043
640200212133
76035342064
oct1647412671
9562415703
10245241273
11116483442
126a16a049
133ba676a4
14247db8db
15167e4133
hexe9e15b9

245241273 has 8 divisors (see below), whose sum is σ = 327247200. Its totient is φ = 163364768.

The previous prime is 245241257. The next prime is 245241287. The reversal of 245241273 is 372142542.

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

It is a cyclic number.

It is not a de Polignac number, because 245241273 - 24 = 245241257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245241273.

It is not an unprimeable number, because it can be changed into a prime (245241223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27843 + ... + 35576.

It is an arithmetic number, because the mean of its divisors is an integer number (40905900).

Almost surely, 2245241273 is an apocalyptic number.

It is an amenable number.

245241273 is a deficient number, since it is larger than the sum of its proper divisors (82005927).

245241273 is a wasteful number, since it uses less digits than its factorization.

245241273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64711.

The product of its digits is 13440, while the sum is 30.

The square root of 245241273 is about 15660.1811292207. The cubic root of 245241273 is about 625.9378117375.

The spelling of 245241273 in words is "two hundred forty-five million, two hundred forty-one thousand, two hundred seventy-three".

Divisors: 1 3 1289 3867 63419 190257 81747091 245241273