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50203242 = 2322789069
BaseRepresentation
bin1011111110000…
…0101001101010
310111110120220100
42333200221222
5100323000432
64552010230
71146502065
oct277405152
9114416810
1050203242
112637a491
1214990976
13a529a7b
14694b8dc
15461a07c
hex2fe0a6a

50203242 has 12 divisors (see below), whose sum is σ = 108773730. Its totient is φ = 16734408.

The previous prime is 50203217. The next prime is 50203247. The reversal of 50203242 is 24230205.

It can be written as a sum of positive squares in only one way, i.e., 25492401 + 24710841 = 5049^2 + 4971^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2789069 = 50203242 / (5 + 0 + 2 + 0 + 3 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (50203247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1394517 + ... + 1394552.

Almost surely, 250203242 is an apocalyptic number.

50203242 is an abundant number, since it is smaller than the sum of its proper divisors (58570488).

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

50203242 is a wasteful number, since it uses less digits than its factorization.

50203242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789077 (or 2789074 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 50203242 is about 7085.4246167749. The cubic root of 50203242 is about 368.9016416630.

Adding to 50203242 its reverse (24230205), we get a palindrome (74433447).

The spelling of 50203242 in words is "fifty million, two hundred three thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 2789069 5578138 8367207 16734414 25101621 50203242