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40313271 = 322360259
BaseRepresentation
bin1001100111001…
…0000110110111
32210212010102010
42121302012313
540310011041
64000015303
7666441255
oct231620667
983763363
1040313271
1120834a59
1211601533
13847630b
1454d55d5
153814a16
hex26721b7

40313271 has 8 divisors (see below), whose sum is σ = 53992960. Its totient is φ = 26754552.

The previous prime is 40313267. The next prime is 40313281. The reversal of 40313271 is 17231304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40313271 - 22 = 40313267 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40313201) 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, 29461 + ... + 30798.

It is an arithmetic number, because the mean of its divisors is an integer number (6749120).

Almost surely, 240313271 is an apocalyptic number.

40313271 is a deficient number, since it is larger than the sum of its proper divisors (13679689).

40313271 is a wasteful number, since it uses less digits than its factorization.

40313271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60485.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 40313271 is about 6349.2732655005. The cubic root of 40313271 is about 342.8856784533.

Adding to 40313271 its reverse (17231304), we get a palindrome (57544575).

The spelling of 40313271 in words is "forty million, three hundred thirteen thousand, two hundred seventy-one".

Divisors: 1 3 223 669 60259 180777 13437757 40313271