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40528527 = 3131761129
BaseRepresentation
bin1001101010011…
…0101010001111
32211021001200120
42122212222033
540333403102
64004400023
71001325654
oct232465217
984231616
1040528527
1120971756
12116a6013
1385202a0
14554dc2b
1538586bc
hex26a6a8f

40528527 has 16 divisors (see below), whose sum is σ = 61619040. Its totient is φ = 23473152.

The previous prime is 40528511. The next prime is 40528531. The reversal of 40528527 is 72582504.

It is not a de Polignac number, because 40528527 - 24 = 40528511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40528547) 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, 29902 + ... + 31227.

It is an arithmetic number, because the mean of its divisors is an integer number (3851190).

Almost surely, 240528527 is an apocalyptic number.

40528527 is a deficient number, since it is larger than the sum of its proper divisors (21090513).

40528527 is a wasteful number, since it uses less digits than its factorization.

40528527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61162.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 40528527 is about 6366.2019289369. The cubic root of 40528527 is about 343.4948841217.

The spelling of 40528527 in words is "forty million, five hundred twenty-eight thousand, five hundred twenty-seven".

Divisors: 1 3 13 17 39 51 221 663 61129 183387 794677 1039193 2384031 3117579 13509509 40528527