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40050 = 2325289
BaseRepresentation
bin1001110001110010
32000221100
421301302
52240200
6505230
7224523
oct116162
960840
1040050
11280aa
121b216
13152ca
141084a
15bd00
hex9c72

40050 has 36 divisors (see below), whose sum is σ = 108810. Its totient is φ = 10560.

The previous prime is 40039. The next prime is 40063. The reversal of 40050 is 5004.

40050 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 23409 + 16641 = 153^2 + 129^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 406 + ... + 494.

240050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54405).

40050 is an abundant number, since it is smaller than the sum of its proper divisors (68760).

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

40050 is a wasteful number, since it uses less digits than its factorization.

40050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 9.

The square root of 40050 is about 200.1249609619. The cubic root of 40050 is about 34.2137627998.

Adding to 40050 its reverse (5004), we get a palindrome (45054).

The spelling of 40050 in words is "forty thousand, fifty", and thus it is an eban number.

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 89 90 150 178 225 267 445 450 534 801 890 1335 1602 2225 2670 4005 4450 6675 8010 13350 20025 40050