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50244980 = 2252512249
BaseRepresentation
bin1011111110101…
…0110101110100
310111112201011012
42333222311310
5100330314410
64552531352
71150034552
oct277526564
9114481135
1050244980
11263a8885
12149b0b58
13a542a76
14695cbd2
154627605
hex2fead74

50244980 has 12 divisors (see below), whose sum is σ = 105514500. Its totient is φ = 20097984.

The previous prime is 50244937. The next prime is 50244989. The reversal of 50244980 is 8944205.

It can be written as a sum of positive squares in 2 ways, for example, as 27415696 + 22829284 = 5236^2 + 4778^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50244989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256105 + ... + 1256144.

It is an arithmetic number, because the mean of its divisors is an integer number (8792875).

Almost surely, 250244980 is an apocalyptic number.

It is an amenable number.

50244980 is an abundant number, since it is smaller than the sum of its proper divisors (55269520).

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

50244980 is a wasteful number, since it uses less digits than its factorization.

50244980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512258 (or 2512256 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 50244980 is about 7088.3693470360. The cubic root of 50244980 is about 369.0038458972.

The spelling of 50244980 in words is "fifty million, two hundred forty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 2512249 5024498 10048996 12561245 25122490 50244980