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244965213 = 3237617237
BaseRepresentation
bin11101001100111…
…01111101011101
3122001221112002200
432212131331131
51000202341323
640150242113
76033112203
oct1646357535
9561845080
10244965213
11116304a99
126a056339
133b99bb3c
1424769073
151678c443
hexe99df5d

244965213 has 12 divisors (see below), whose sum is σ = 353981628. Its totient is φ = 163244160.

The previous prime is 244965191. The next prime is 244965229. The reversal of 244965213 is 312569442.

It is a happy number.

244965213 is a `hidden beast` number, since 2 + 44 + 96 + 521 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 135908964 + 109056249 = 11658^2 + 10443^2 .

It is not a de Polignac number, because 244965213 - 28 = 244964957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244965293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30231 + ... + 37467.

It is an arithmetic number, because the mean of its divisors is an integer number (29498469).

Almost surely, 2244965213 is an apocalyptic number.

It is an amenable number.

244965213 is a deficient number, since it is larger than the sum of its proper divisors (109016415).

244965213 is a wasteful number, since it uses less digits than its factorization.

244965213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11004 (or 11001 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 244965213 is about 15651.3645730971. The cubic root of 244965213 is about 625.7028577160.

The spelling of 244965213 in words is "two hundred forty-four million, nine hundred sixty-five thousand, two hundred thirteen".

Divisors: 1 3 9 3761 7237 11283 21711 33849 65133 27218357 81655071 244965213