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40740468 = 2233395039
BaseRepresentation
bin1001101101101…
…0011001110100
32211122211102020
42123122121310
540412143333
64013113140
71003200606
oct233323164
984584366
1040740468
1120aa6a0a
12117887b0
1385958b2
1455a7176
15389b3b3
hex26da674

40740468 has 12 divisors (see below), whose sum is σ = 95061120. Its totient is φ = 13580152.

The previous prime is 40740461. The next prime is 40740481. The reversal of 40740468 is 86404704.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40740461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697508 + ... + 1697531.

It is an arithmetic number, because the mean of its divisors is an integer number (7921760).

Almost surely, 240740468 is an apocalyptic number.

It is an amenable number.

40740468 is an abundant number, since it is smaller than the sum of its proper divisors (54320652).

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

40740468 is a wasteful number, since it uses less digits than its factorization.

40740468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395046 (or 3395044 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 40740468 is about 6382.8260198755. The cubic root of 40740468 is about 344.0926039675.

The spelling of 40740468 in words is "forty million, seven hundred forty thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 3395039 6790078 10185117 13580156 20370234 40740468