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40170712 = 2319475623
BaseRepresentation
bin1001100100111…
…1010011011000
32210120212212011
42121033103120
540240430322
63552555304
7665305531
oct231172330
983525764
1040170712
112074793a
1211552b34
13842646a
145499688
1537d7677
hex264f4d8

40170712 has 32 divisors (see below), whose sum is σ = 80985600. Its totient is φ = 18620064.

The previous prime is 40170703. The next prime is 40170727. The reversal of 40170712 is 21707104.

40170712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×401707122 = 3227372205173888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 4333 + ... + 9955.

It is an arithmetic number, because the mean of its divisors is an integer number (2530800).

Almost surely, 240170712 is an apocalyptic number.

It is an amenable number.

40170712 is an abundant number, since it is smaller than the sum of its proper divisors (40814888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40170712 is a wasteful number, since it uses less digits than its factorization.

40170712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695 (or 5691 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 40170712 is about 6338.0369200566. The cubic root of 40170712 is about 342.4810212014.

Adding to 40170712 its reverse (21707104), we get a palindrome (61877816).

The spelling of 40170712 in words is "forty million, one hundred seventy thousand, seven hundred twelve".

Divisors: 1 2 4 8 19 38 47 76 94 152 188 376 893 1786 3572 5623 7144 11246 22492 44984 106837 213674 264281 427348 528562 854696 1057124 2114248 5021339 10042678 20085356 40170712