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538350 = 23523797
BaseRepresentation
bin10000011011011101110
31000100110220
42003123232
5114211400
615312210
74401351
oct2033356
91010426
10538350
1133851a
1221b666
1315b067
14100298
15a97a0
hex836ee

538350 has 48 divisors (see below), whose sum is σ = 1385328. Its totient is φ = 138240.

The previous prime is 538333. The next prime is 538357. The reversal of 538350 is 53835.

It is a self number, because there is not a number n which added to its sum of digits gives 538350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538357) by changing a digit.

538350 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5502 + ... + 5598.

It is an arithmetic number, because the mean of its divisors is an integer number (28861).

2538350 is an apocalyptic number.

538350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 538350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692664).

538350 is an abundant number, since it is smaller than the sum of its proper divisors (846978).

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

538350 is a wasteful number, since it uses less digits than its factorization.

538350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 538350 is about 733.7233811185. The cubic root of 538350 is about 81.3495033394.

It can be divided in two parts, 538 and 350, that added together give a palindrome (888).

The spelling of 538350 in words is "five hundred thirty-eight thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 37 50 74 75 97 111 150 185 194 222 291 370 485 555 582 925 970 1110 1455 1850 2425 2775 2910 3589 4850 5550 7178 7275 10767 14550 17945 21534 35890 53835 89725 107670 179450 269175 538350