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245544204 = 22320462017
BaseRepresentation
bin11101010001010…
…11010100001100
3122010000221022210
432220223110030
51000324403304
640210510420
76041043213
oct1650532414
9563027283
10245544204
1111666aaa4
126a295410
133bb42539
142487a07a
1516853c89
hexea2b50c

245544204 has 12 divisors (see below), whose sum is σ = 572936504. Its totient is φ = 81848064.

The previous prime is 245544193. The next prime is 245544227. The reversal of 245544204 is 402445542.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2455442042 = 120583912235987232, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10230997 + ... + 10231020.

Almost surely, 2245544204 is an apocalyptic number.

It is an amenable number.

245544204 is an abundant number, since it is smaller than the sum of its proper divisors (327392300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245544204 is a wasteful number, since it uses less digits than its factorization.

245544204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20462024 (or 20462022 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 245544204 is about 15669.8501588241. The cubic root of 245544204 is about 626.1954327936.

Adding to 245544204 its reverse (402445542), we get a palindrome (647989746).

The spelling of 245544204 in words is "two hundred forty-five million, five hundred forty-four thousand, two hundred four".

Divisors: 1 2 3 4 6 12 20462017 40924034 61386051 81848068 122772102 245544204