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245133201 = 3292817623
BaseRepresentation
bin11101001110001…
…10111110010001
3122002021001112110
432213012332101
51000223230301
640154015533
76034412025
oct1647067621
9562231473
10245133201
1111640a225
126a1175a9
133ba2a441
14247b0385
15167c20d6
hexe9c6f91

245133201 has 8 divisors (see below), whose sum is σ = 338114880. Its totient is φ = 157786832.

The previous prime is 245133191. The next prime is 245133209. The reversal of 245133201 is 102331542.

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 245133201 - 25 = 245133169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245133209) 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, 1408725 + ... + 1408898.

It is an arithmetic number, because the mean of its divisors is an integer number (42264360).

Almost surely, 2245133201 is an apocalyptic number.

It is an amenable number.

245133201 is a deficient number, since it is larger than the sum of its proper divisors (92981679).

245133201 is a wasteful number, since it uses less digits than its factorization.

245133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817655.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 245133201 is about 15656.7302141922. The cubic root of 245133201 is about 625.8458529228.

Adding to 245133201 its reverse (102331542), we get a palindrome (347464743).

The spelling of 245133201 in words is "two hundred forty-five million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 3 29 87 2817623 8452869 81711067 245133201