Search a number
-
+
50528538 = 2322807141
BaseRepresentation
bin1100000011000…
…0000100011010
310112002010010100
43000300010122
5100413403123
65003000230
71152325344
oct300600432
9115063110
1050528538
1126581925
1214b09076
13a611b58
1469d4294
154681643
hex303011a

50528538 has 12 divisors (see below), whose sum is σ = 109478538. Its totient is φ = 16842840.

The previous prime is 50528531. The next prime is 50528549. The reversal of 50528538 is 83582505.

It can be written as a sum of positive squares in only one way, i.e., 38229489 + 12299049 = 6183^2 + 3507^2 .

It is not an unprimeable number, because it can be changed into a prime (50528531) 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, 1403553 + ... + 1403588.

Almost surely, 250528538 is an apocalyptic number.

50528538 is an abundant number, since it is smaller than the sum of its proper divisors (58950000).

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

50528538 is a wasteful number, since it uses less digits than its factorization.

50528538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807149 (or 2807146 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 50528538 is about 7108.3428448549. The cubic root of 50528538 is about 369.6967029950.

The spelling of 50528538 in words is "fifty million, five hundred twenty-eight thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 9 18 2807141 5614282 8421423 16842846 25264269 50528538