Search a number
-
+
50500386 = 2322805577
BaseRepresentation
bin1100000010100…
…1001100100010
310112000200111200
43000221030202
5100412003021
65002222030
71152150306
oct300511442
9115020450
1050500386
1126562762
1214ab4916
13a6020b1
1469c7d06
154678126
hex3029322

50500386 has 12 divisors (see below), whose sum is σ = 109417542. Its totient is φ = 16833456.

The previous prime is 50500381. The next prime is 50500393. The reversal of 50500386 is 68300505.

It can be written as a sum of positive squares in only one way, i.e., 31708161 + 18792225 = 5631^2 + 4335^2 .

It is a super-2 number, since 2×505003862 = 5100577972297992, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50500381) 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, 1402771 + ... + 1402806.

Almost surely, 250500386 is an apocalyptic number.

50500386 is an abundant number, since it is smaller than the sum of its proper divisors (58917156).

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

50500386 is a wasteful number, since it uses less digits than its factorization.

50500386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805585 (or 2805582 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 50500386 is about 7106.3623605893. The cubic root of 50500386 is about 369.6280313394.

The spelling of 50500386 in words is "fifty million, five hundred thousand, three hundred eighty-six".

Divisors: 1 2 3 6 9 18 2805577 5611154 8416731 16833462 25250193 50500386