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40153441 = 199721787
BaseRepresentation
bin1001100100101…
…1000101100001
32210120000011111
42121023011201
540234402231
63552343321
7665204266
oct231130541
983500144
1040153441
1120735969
1211544b41
13841b643
14549326d
1537d24b1
hex264b161

40153441 has 8 divisors (see below), whose sum is σ = 42704480. Its totient is φ = 37646208.

The previous prime is 40153427. The next prime is 40153447. The reversal of 40153441 is 14435104.

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

It is a cyclic number.

It is not a de Polignac number, because 40153441 - 213 = 40145249 is a prime.

It is a super-2 number, since 2×401534412 = 3224597648280962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40153447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9051 + ... + 12736.

It is an arithmetic number, because the mean of its divisors is an integer number (5338060).

Almost surely, 240153441 is an apocalyptic number.

It is an amenable number.

40153441 is a deficient number, since it is larger than the sum of its proper divisors (2551039).

40153441 is a wasteful number, since it uses less digits than its factorization.

40153441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21903.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40153441 is about 6336.6742854592. The cubic root of 40153441 is about 342.4319320572.

Adding to 40153441 its reverse (14435104), we get a palindrome (54588545).

The spelling of 40153441 in words is "forty million, one hundred fifty-three thousand, four hundred forty-one".

Divisors: 1 19 97 1843 21787 413953 2113339 40153441