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40545107 = 198923977
BaseRepresentation
bin1001101010101…
…0101101010011
32211021220102122
42122222231103
540334420412
64005004455
71001425211
oct232525523
984256378
1040545107
1120983159
12116b372b
1385279b5
145555cb1
15385d572
hex26aab53

40545107 has 8 divisors (see below), whose sum is σ = 43160400. Its totient is φ = 37977984.

The previous prime is 40545097. The next prime is 40545121. The reversal of 40545107 is 70154504.

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 40545107 - 214 = 40528723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40545157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10298 + ... + 13679.

It is an arithmetic number, because the mean of its divisors is an integer number (5395050).

Almost surely, 240545107 is an apocalyptic number.

40545107 is a deficient number, since it is larger than the sum of its proper divisors (2615293).

40545107 is a wasteful number, since it uses less digits than its factorization.

40545107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24085.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 40545107 is about 6367.5039850792. The cubic root of 40545107 is about 343.5417183655.

The spelling of 40545107 in words is "forty million, five hundred forty-five thousand, one hundred seven".

Divisors: 1 19 89 1691 23977 455563 2133953 40545107