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40705814 = 2231814889
BaseRepresentation
bin1001101101000…
…1111100010110
32211121001212202
42123101330112
540410041224
64012244502
71002664562
oct233217426
984531782
1040705814
1120a82976
1211770732
138582ba6
1455986a2
153890eae
hex26d1f16

40705814 has 16 divisors (see below), whose sum is σ = 64078560. Its totient is φ = 19356480.

The previous prime is 40705813. The next prime is 40705831. The reversal of 40705814 is 41850704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40705813) 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, 5882 + ... + 10770.

It is an arithmetic number, because the mean of its divisors is an integer number (4004910).

Almost surely, 240705814 is an apocalyptic number.

40705814 is a deficient number, since it is larger than the sum of its proper divisors (23372746).

40705814 is a wasteful number, since it uses less digits than its factorization.

40705814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 40705814 is about 6380.1108140847. The cubic root of 40705814 is about 343.9950141246.

It can be divided in two parts, 40705 and 814, that multiplied together give a triangular number (33133870 = T8140).

The spelling of 40705814 in words is "forty million, seven hundred five thousand, eight hundred fourteen".

Divisors: 1 2 23 46 181 362 4163 4889 8326 9778 112447 224894 884909 1769818 20352907 40705814