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40313727 = 331493101
BaseRepresentation
bin1001100111001…
…0001101111111
32210212011001000
42121302031333
540310014402
64000021343
7666442506
oct231621577
983764030
1040313727
1120835333
1211601853
13847659c
1454d583d
153814c1c
hex267237f

40313727 has 8 divisors (see below), whose sum is σ = 59724080. Its totient is φ = 26875800.

The previous prime is 40313723. The next prime is 40313743. The reversal of 40313727 is 72731304.

It is not a de Polignac number, because 40313727 - 22 = 40313723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1493101 = 40313727 / (4 + 0 + 3 + 1 + 3 + 7 + 2 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40313727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40313723) 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, 746524 + ... + 746577.

It is an arithmetic number, because the mean of its divisors is an integer number (7465510).

Almost surely, 240313727 is an apocalyptic number.

40313727 is a deficient number, since it is larger than the sum of its proper divisors (19410353).

40313727 is a wasteful number, since it uses less digits than its factorization.

40313727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493110 (or 1493104 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 40313727 is about 6349.3091750205. The cubic root of 40313727 is about 342.8869712888.

The spelling of 40313727 in words is "forty million, three hundred thirteen thousand, seven hundred twenty-seven".

Divisors: 1 3 9 27 1493101 4479303 13437909 40313727