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10939481 = 74873209
BaseRepresentation
bin101001101110…
…110001011001
3202120210010222
4221232301121
510300030411
61030245425
7161661350
oct51566131
922523128
1010939481
1161a1aa3
1237b6875
132360387
14164a997
15e614db
hexa6ec59

10939481 has 8 divisors (see below), whose sum is σ = 12531840. Its totient is φ = 9354528.

The previous prime is 10939477. The next prime is 10939499. The reversal of 10939481 is 18493901.

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 10939481 - 22 = 10939477 is a prime.

It is a super-2 number, since 2×109394812 = 239344489098722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10939471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805 + ... + 5013.

It is an arithmetic number, because the mean of its divisors is an integer number (1566480).

Almost surely, 210939481 is an apocalyptic number.

It is an amenable number.

10939481 is a deficient number, since it is larger than the sum of its proper divisors (1592359).

10939481 is an equidigital number, since it uses as much as digits as its factorization.

10939481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 10939481 is about 3307.4886243191. The cubic root of 10939481 is about 221.9894010577.

The spelling of 10939481 in words is "ten million, nine hundred thirty-nine thousand, four hundred eighty-one".

Divisors: 1 7 487 3209 3409 22463 1562783 10939481