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40009254 = 236668209
BaseRepresentation
bin1001100010011…
…1111000100110
32210021200101020
42120213320212
540220244004
63545312010
7664034025
oct230477046
983250336
1040009254
11206475aa
1211495606
13839ab1c
1454568bc
1537a48d9
hex2627e26

40009254 has 8 divisors (see below), whose sum is σ = 80018520. Its totient is φ = 13336416.

The previous prime is 40009253. The next prime is 40009261. The reversal of 40009254 is 45290004.

40009254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

40009254 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40009253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3334099 + ... + 3334110.

It is an arithmetic number, because the mean of its divisors is an integer number (10002315).

Almost surely, 240009254 is an apocalyptic number.

40009254 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.

40009254 is a wasteful number, since it uses less digits than its factorization.

40009254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668214.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 40009254 is about 6325.2868709648. The cubic root of 40009254 is about 342.0215608308.

Adding to 40009254 its reverse (45290004), we get a palindrome (85299258).

The spelling of 40009254 in words is "forty million, nine thousand, two hundred fifty-four".

Divisors: 1 2 3 6 6668209 13336418 20004627 40009254