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10078669 = 23438203
BaseRepresentation
bin100110011100…
…100111001101
3200222001100001
4212130213031
510040004134
61000004301
7151444606
oct46344715
920861301
1010078669
115764287
123460691
13211b613
1414a4dad
15d41414
hex99c9cd

10078669 has 4 divisors (see below), whose sum is σ = 10516896. Its totient is φ = 9640444.

The previous prime is 10078643. The next prime is 10078681. The reversal of 10078669 is 96687001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96687001 = 362326687.

It is a cyclic number.

It is not a de Polignac number, because 10078669 - 29 = 10078157 is a prime.

It is a super-2 number, since 2×100786692 = 203159137623122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10073669) 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 3 ways as a sum of consecutive naturals, for example, 219079 + ... + 219124.

It is an arithmetic number, because the mean of its divisors is an integer number (2629224).

Almost surely, 210078669 is an apocalyptic number.

It is an amenable number.

10078669 is a deficient number, since it is larger than the sum of its proper divisors (438227).

10078669 is an equidigital number, since it uses as much as digits as its factorization.

10078669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438226.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 10078669 is about 3174.6919535602. The cubic root of 10078669 is about 216.0069513652.

The spelling of 10078669 in words is "ten million, seventy-eight thousand, six hundred sixty-nine".

Divisors: 1 23 438203 10078669