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40534806 = 23131313967
BaseRepresentation
bin1001101010100…
…0001100010110
32211021101022010
42122220030112
540334103211
64004445050
71001353164
oct232501426
984241263
1040534806
1120976444
12116a9786
1385230c0
145552234
15385a4a6
hex26a8316

40534806 has 32 divisors (see below), whose sum is σ = 87994368. Its totient is φ = 12373920.

The previous prime is 40534789. The next prime is 40534831. The reversal of 40534806 is 60843504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8235 + ... + 12201.

It is an arithmetic number, because the mean of its divisors is an integer number (2749824).

Almost surely, 240534806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40534806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43997184).

40534806 is an abundant number, since it is smaller than the sum of its proper divisors (47459562).

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

40534806 is a wasteful number, since it uses less digits than its factorization.

40534806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40534806 is about 6366.6950610187. The cubic root of 40534806 is about 343.5126221872.

The spelling of 40534806 in words is "forty million, five hundred thirty-four thousand, eight hundred six".

Divisors: 1 2 3 6 13 26 39 78 131 262 393 786 1703 3406 3967 5109 7934 10218 11901 23802 51571 103142 154713 309426 519677 1039354 1559031 3118062 6755801 13511602 20267403 40534806