Search a number
-
+
50494420 = 22517148513
BaseRepresentation
bin1100000010011…
…1101111010100
310112000101022201
43000213233110
5100411310140
65002134244
71152124024
oct300475724
9115011281
1050494420
1126559229
1214ab1384
13a5cc472
1469c5a84
15467649a
hex3027bd4

50494420 has 24 divisors (see below), whose sum is σ = 112276584. Its totient is φ = 19009536.

The previous prime is 50494373. The next prime is 50494441. The reversal of 50494420 is 2449405.

50494420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 311364 + 50183056 = 558^2 + 7084^2 .

It is a super-2 number, since 2×504944202 = 5099372902272800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73917 + ... + 74596.

It is an arithmetic number, because the mean of its divisors is an integer number (4678191).

Almost surely, 250494420 is an apocalyptic number.

It is an amenable number.

50494420 is an abundant number, since it is smaller than the sum of its proper divisors (61782164).

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

50494420 is a wasteful number, since it uses less digits than its factorization.

50494420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148539 (or 148537 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 50494420 is about 7105.9425835001. The cubic root of 50494420 is about 369.6134750964.

The spelling of 50494420 in words is "fifty million, four hundred ninety-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 148513 297026 594052 742565 1485130 2524721 2970260 5049442 10098884 12623605 25247210 50494420