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10939397 = 72223253
BaseRepresentation
bin101001101110…
…110000000101
3202120210000212
4221232300011
510300030042
61030245205
7161661200
oct51566005
922523025
1010939397
1161a1a27
1237b6805
132360321
14164a937
15e61482
hexa6ec05

10939397 has 6 divisors (see below), whose sum is σ = 12725478. Its totient is φ = 9376584.

The previous prime is 10939363. The next prime is 10939403. The reversal of 10939397 is 79393901.

It can be written as a sum of positive squares in only one way, i.e., 9572836 + 1366561 = 3094^2 + 1169^2 .

It is not a de Polignac number, because 10939397 - 28 = 10939141 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 (10939337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111578 + ... + 111675.

It is an arithmetic number, because the mean of its divisors is an integer number (2120913).

Almost surely, 210939397 is an apocalyptic number.

It is an amenable number.

10939397 is a deficient number, since it is larger than the sum of its proper divisors (1786081).

10939397 is an equidigital number, since it uses as much as digits as its factorization.

10939397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223267 (or 223260 counting only the distinct ones).

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 10939397 is about 3307.4759258383. The cubic root of 10939397 is about 221.9888328663.

The spelling of 10939397 in words is "ten million, nine hundred thirty-nine thousand, three hundred ninety-seven".

Divisors: 1 7 49 223253 1562771 10939397