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40705692 = 2234378887
BaseRepresentation
bin1001101101000…
…1111010011100
32211121001201020
42123101322130
540410040232
64012244140
71002664326
oct233217234
984531636
1040705692
1120a82875
1211770650
138582b11
145598616
153890e2c
hex26d1e9c

40705692 has 24 divisors (see below), whose sum is σ = 97190016. Its totient is φ = 13252848.

The previous prime is 40705681. The next prime is 40705711. The reversal of 40705692 is 29650704.

It is a super-2 number, since 2×407056922 = 3313906722397728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38928 + ... + 39959.

It is an arithmetic number, because the mean of its divisors is an integer number (4049584).

Almost surely, 240705692 is an apocalyptic number.

It is an amenable number.

40705692 is an abundant number, since it is smaller than the sum of its proper divisors (56484324).

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

40705692 is a wasteful number, since it uses less digits than its factorization.

40705692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78937 (or 78935 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 40705692 is about 6380.1012531150. The cubic root of 40705692 is about 343.9946704601.

The spelling of 40705692 in words is "forty million, seven hundred five thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 78887 157774 236661 315548 473322 946644 3392141 6784282 10176423 13568564 20352846 40705692