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40740620 = 22510319777
BaseRepresentation
bin1001101101101…
…0011100001100
32211122211121212
42123122130030
540412144440
64013113552
71003201214
oct233323414
984584555
1040740620
1120aa7038
12117888b8
13859599b
1455a7244
15389b465
hex26da70c

40740620 has 24 divisors (see below), whose sum is σ = 86390304. Its totient is φ = 16137216.

The previous prime is 40740611. The next prime is 40740641. The reversal of 40740620 is 2604704.

40740620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7829 + ... + 11948.

It is an arithmetic number, because the mean of its divisors is an integer number (3599596).

Almost surely, 240740620 is an apocalyptic number.

It is an amenable number.

40740620 is an abundant number, since it is smaller than the sum of its proper divisors (45649684).

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

40740620 is a wasteful number, since it uses less digits than its factorization.

40740620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19889 (or 19887 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40740620 is about 6382.8379268159. The cubic root of 40740620 is about 344.0930318959.

The spelling of 40740620 in words is "forty million, seven hundred forty thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 19777 39554 79108 98885 197770 395540 2037031 4074062 8148124 10185155 20370310 40740620