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245034023 = 1318848771
BaseRepresentation
bin11101001101011…
…10110000100111
3122002002000111012
432212232300213
51000212042043
640151532435
76033516623
oct1646566047
9562060435
10245034023
11116351763
126a08a11b
133b9c4260
1424786183
15167a2a18
hexe9aec27

245034023 has 4 divisors (see below), whose sum is σ = 263882808. Its totient is φ = 226185240.

The previous prime is 245034007. The next prime is 245034067. The reversal of 245034023 is 320430542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320430542 = 2160215271.

It is a cyclic number.

It is not a de Polignac number, because 245034023 - 24 = 245034007 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 245034023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245033023) 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, 9424373 + ... + 9424398.

It is an arithmetic number, because the mean of its divisors is an integer number (65970702).

Almost surely, 2245034023 is an apocalyptic number.

245034023 is a deficient number, since it is larger than the sum of its proper divisors (18848785).

245034023 is a wasteful number, since it uses less digits than its factorization.

245034023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18848784.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 245034023 is about 15653.5626296380. The cubic root of 245034023 is about 625.7614382555.

Adding to 245034023 its reverse (320430542), we get a palindrome (565464565).

The spelling of 245034023 in words is "two hundred forty-five million, thirty-four thousand, twenty-three".

Divisors: 1 13 18848771 245034023