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40585045 = 5193113781
BaseRepresentation
bin1001101011010…
…0011101010101
32211100221012211
42122310131111
540342210140
64005513421
71001652514
oct232643525
984327184
1040585045
1120a00166
1211712871
13853cc27
14556667b
15386a2ea
hex26b4755

40585045 has 16 divisors (see below), whose sum is σ = 52922880. Its totient is φ = 29764800.

The previous prime is 40585043. The next prime is 40585079. The reversal of 40585045 is 54058504.

It is not a de Polignac number, because 40585045 - 21 = 40585043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 40584998 and 40585016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40585043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3946 + ... + 9835.

It is an arithmetic number, because the mean of its divisors is an integer number (3307680).

Almost surely, 240585045 is an apocalyptic number.

It is an amenable number.

40585045 is a deficient number, since it is larger than the sum of its proper divisors (12337835).

40585045 is a wasteful number, since it uses less digits than its factorization.

40585045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13836.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 40585045 is about 6370.6392928811. The cubic root of 40585045 is about 343.6544805675.

The spelling of 40585045 in words is "forty million, five hundred eighty-five thousand, forty-five".

Divisors: 1 5 19 31 95 155 589 2945 13781 68905 261839 427211 1309195 2136055 8117009 40585045