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10139927 = 72336217
BaseRepresentation
bin100110101011…
…100100010111
3201002011100212
4212223210113
510043434202
61001200035
7152121320
oct46534427
921064325
1010139927
1157a6306
12349001b
132140475
1414bd447
15d54652
hex9ab917

10139927 has 8 divisors (see below), whose sum is σ = 11640096. Its totient is φ = 8652672.

The previous prime is 10139923. The next prime is 10139929. The reversal of 10139927 is 72993101.

It is a happy number.

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

It is not a de Polignac number, because 10139927 - 22 = 10139923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10139893 and 10139902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10139923) 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, 1478 + ... + 4739.

It is an arithmetic number, because the mean of its divisors is an integer number (1455012).

Almost surely, 210139927 is an apocalyptic number.

10139927 is a deficient number, since it is larger than the sum of its proper divisors (1500169).

10139927 is an equidigital number, since it uses as much as digits as its factorization.

10139927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 10139927 is about 3184.3252032417. The cubic root of 10139927 is about 216.4436967234.

The spelling of 10139927 in words is "ten million, one hundred thirty-nine thousand, nine hundred twenty-seven".

Divisors: 1 7 233 1631 6217 43519 1448561 10139927