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245050521 = 3173472159
BaseRepresentation
bin11101001101100…
…10110010011001
3122002002212010020
432212302302121
51000213104041
640152141053
76033616002
oct1646626231
9562085106
10245050521
111163630a1
126a097789
133b9cb911
142478c1a9
15167a7866
hexe9b2c99

245050521 has 8 divisors (see below), whose sum is σ = 328623360. Its totient is φ = 162422352.

The previous prime is 245050511. The next prime is 245050523. The reversal of 245050521 is 125050542.

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 245050521 - 26 = 245050457 is a prime.

It is a super-3 number, since 3×2450505213 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245050491 and 245050500.

It is not an unprimeable number, because it can be changed into a prime (245050523) 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, 235561 + ... + 236598.

It is an arithmetic number, because the mean of its divisors is an integer number (41077920).

Almost surely, 2245050521 is an apocalyptic number.

It is an amenable number.

245050521 is a deficient number, since it is larger than the sum of its proper divisors (83572839).

245050521 is a wasteful number, since it uses less digits than its factorization.

245050521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472335.

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

The square root of 245050521 is about 15654.0895934577. The cubic root of 245050521 is about 625.7754819930.

The spelling of 245050521 in words is "two hundred forty-five million, fifty thousand, five hundred twenty-one".

Divisors: 1 3 173 519 472159 1416477 81683507 245050521