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10506319 = 43244333
BaseRepresentation
bin101000000101…
…000001001111
3201202202221221
4220011001033
510142200234
61013104211
7155205445
oct50050117
921682857
1010506319
115a2660a
123628067
13223b175
141576b95
15dc7eb4
hexa0504f

10506319 has 4 divisors (see below), whose sum is σ = 10750696. Its totient is φ = 10261944.

The previous prime is 10506317. The next prime is 10506343. The reversal of 10506319 is 91360501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10506319 - 21 = 10506317 is a prime.

It is a super-2 number, since 2×105063192 = 220765477859522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10506293 and 10506302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10506311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122124 + ... + 122209.

It is an arithmetic number, because the mean of its divisors is an integer number (2687674).

Almost surely, 210506319 is an apocalyptic number.

10506319 is a deficient number, since it is larger than the sum of its proper divisors (244377).

10506319 is an equidigital number, since it uses as much as digits as its factorization.

10506319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244376.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 10506319 is about 3241.3452454189. The cubic root of 10506319 is about 219.0198754575.

The spelling of 10506319 in words is "ten million, five hundred six thousand, three hundred nineteen".

Divisors: 1 43 244333 10506319