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40254 = 236709
BaseRepresentation
bin1001110100111110
32001012220
421310332
52242004
6510210
7225234
oct116476
961186
1040254
1128275
121b366
1315426
1410954
15bdd9
hex9d3e

40254 has 8 divisors (see below), whose sum is σ = 80520. Its totient is φ = 13416.

The previous prime is 40253. The next prime is 40277. The reversal of 40254 is 45204.

Adding to 40254 its reverse (45204), we get a palindrome (85458).

Subtracting 40254 from its reverse (45204), we obtain a triangular number (4950 = T99).

It is a sphenic number, since it is the product of 3 distinct primes.

40254 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40254.

It is not an unprimeable number, because it can be changed into a prime (40253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3349 + ... + 3360.

It is an arithmetic number, because the mean of its divisors is an integer number (10065).

240254 is an apocalyptic number.

40254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40260).

40254 is a wasteful number, since it uses less digits than its factorization.

40254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6714.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 40254 is about 200.6339951255. The cubic root of 40254 is about 34.2717552302.

The spelling of 40254 in words is "forty thousand, two hundred fifty-four".

Divisors: 1 2 3 6 6709 13418 20127 40254