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40725541 = 296592131
BaseRepresentation
bin1001101101011…
…0110000100101
32211122001221101
42123112300211
540411204131
64012520101
71003106233
oct233266045
984561841
1040725541
1120a9677a
1211780031
13858bb6c
1455a1953
153896c61
hex26d6c25

40725541 has 8 divisors (see below), whose sum is σ = 42213600. Its totient is φ = 39243120.

The previous prime is 40725533. The next prime is 40725583. The reversal of 40725541 is 14552704.

40725541 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.

It is a cyclic number.

It is not a de Polignac number, because 40725541 - 23 = 40725533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40725511) 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 7 ways as a sum of consecutive naturals, for example, 18046 + ... + 20176.

It is an arithmetic number, because the mean of its divisors is an integer number (5276700).

Almost surely, 240725541 is an apocalyptic number.

It is an amenable number.

40725541 is a deficient number, since it is larger than the sum of its proper divisors (1488059).

40725541 is a wasteful number, since it uses less digits than its factorization.

40725541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 40725541 is about 6381.6566031086. The cubic root of 40725541 is about 344.0505745229.

The spelling of 40725541 in words is "forty million, seven hundred twenty-five thousand, five hundred forty-one".

Divisors: 1 29 659 2131 19111 61799 1404329 40725541