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7938313 = 371032083
BaseRepresentation
bin11110010010000100001001
3112221022022121
4132102010021
54013011223
6442051241
7124321525
oct36220411
915838277
107938313
114532199
1227a9b21
13184c336
1410a8d85
15a6c15d
hex792109

7938313 has 8 divisors (see below), whose sum is σ = 8235968. Its totient is φ = 7645104.

The previous prime is 7938311. The next prime is 7938317. The reversal of 7938313 is 3138397.

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

It is a cyclic number.

It is not a de Polignac number, because 7938313 - 21 = 7938311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7938311) 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, 2770 + ... + 4852.

It is an arithmetic number, because the mean of its divisors is an integer number (1029496).

Almost surely, 27938313 is an apocalyptic number.

It is an amenable number.

7938313 is a deficient number, since it is larger than the sum of its proper divisors (297655).

7938313 is a wasteful number, since it uses less digits than its factorization.

7938313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223.

The product of its digits is 13608, while the sum is 34.

The square root of 7938313 is about 2817.5011978702. The cubic root of 7938313 is about 199.4846146974.

The spelling of 7938313 in words is "seven million, nine hundred thirty-eight thousand, three hundred thirteen".

Divisors: 1 37 103 2083 3811 77071 214549 7938313