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40552969 = 339111959
BaseRepresentation
bin1001101010110…
…0101000001001
32211022022012211
42122230220021
540340143334
64005105121
71001460142
oct232545011
984268184
1040552969
1120989056
12116b81a1
13852b452
145558ac9
153860a64
hex26aca09

40552969 has 4 divisors (see below), whose sum is σ = 40568320. Its totient is φ = 40537620.

The previous prime is 40552957. The next prime is 40552997. The reversal of 40552969 is 96925504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40552969 - 25 = 40552937 is a prime.

It is a super-3 number, since 3×405529693 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40552949) 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 3 ways as a sum of consecutive naturals, for example, 2589 + ... + 9370.

It is an arithmetic number, because the mean of its divisors is an integer number (10142080).

Almost surely, 240552969 is an apocalyptic number.

It is an amenable number.

40552969 is a deficient number, since it is larger than the sum of its proper divisors (15351).

40552969 is a wasteful number, since it uses less digits than its factorization.

40552969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15350.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 40552969 is about 6368.1213085179. The cubic root of 40552969 is about 343.5639220347.

The spelling of 40552969 in words is "forty million, five hundred fifty-two thousand, nine hundred sixty-nine".

Divisors: 1 3391 11959 40552969