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50299945 = 552119309
BaseRepresentation
bin1011111111100…
…0010000101001
310111122111112221
42333320100221
5100334044240
64554034041
71150354033
oct277702051
9114574487
1050299945
1126436103
1214a18921
13a561aa7
146974c53
154638a4a
hex2ff8429

50299945 has 8 divisors (see below), whose sum is σ = 60478920. Its totient is φ = 40160640.

The previous prime is 50299943. The next prime is 50299967. The reversal of 50299945 is 54999205.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3481 + 50296464 = 59^2 + 7092^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50299945 - 21 = 50299943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50299943) 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, 7050 + ... + 12259.

It is an arithmetic number, because the mean of its divisors is an integer number (7559865).

Almost surely, 250299945 is an apocalyptic number.

It is an amenable number.

50299945 is a deficient number, since it is larger than the sum of its proper divisors (10178975).

50299945 is a wasteful number, since it uses less digits than its factorization.

50299945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19835.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 50299945 is about 7092.2454131255. The cubic root of 50299945 is about 369.1383529001.

The spelling of 50299945 in words is "fifty million, two hundred ninety-nine thousand, nine hundred forty-five".

Divisors: 1 5 521 2605 19309 96545 10059989 50299945