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40133454 = 236688909
BaseRepresentation
bin1001100100011…
…0001101001110
32210111222202020
42121012031032
540233232304
63552111010
7665062104
oct231061516
983458666
1040133454
1120721949
1211535466
13841250a
145489c74
1537cb5d9
hex264634e

40133454 has 8 divisors (see below), whose sum is σ = 80266920. Its totient is φ = 13377816.

The previous prime is 40133449. The next prime is 40133497. The reversal of 40133454 is 45433104.

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

40133454 is an admirable number.

It is a super-2 number, since 2×401334542 = 3221388259940232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3344449 + ... + 3344460.

It is an arithmetic number, because the mean of its divisors is an integer number (10033365).

Almost surely, 240133454 is an apocalyptic number.

40133454 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.

40133454 is a wasteful number, since it uses less digits than its factorization.

40133454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688914.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40133454 is about 6335.0970000466. The cubic root of 40133454 is about 342.3751056867.

Adding to 40133454 its reverse (45433104), we get a palindrome (85566558).

The spelling of 40133454 in words is "forty million, one hundred thirty-three thousand, four hundred fifty-four".

Divisors: 1 2 3 6 6688909 13377818 20066727 40133454