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40312 = 235039
BaseRepresentation
bin1001110101111000
32001022001
421311320
52242222
6510344
7225346
oct116570
961261
1040312
1128318
121b3b4
131546c
1410996
15be27
hex9d78

40312 has 8 divisors (see below), whose sum is σ = 75600. Its totient is φ = 20152.

The previous prime is 40289. The next prime is 40343. The reversal of 40312 is 21304.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2512 + ... + 2527.

It is an arithmetic number, because the mean of its divisors is an integer number (9450).

240312 is an apocalyptic number.

It is an amenable number.

40312 is a deficient number, since it is larger than the sum of its proper divisors (35288).

40312 is a wasteful number, since it uses less digits than its factorization.

40312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045 (or 5041 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 40312 is about 200.7784849031. The cubic root of 40312 is about 34.2882074907.

Adding to 40312 its reverse (21304), we get a palindrome (61616).

The spelling of 40312 in words is "forty thousand, three hundred twelve", and thus it is an iban number.

Divisors: 1 2 4 8 5039 10078 20156 40312