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104606021 = 1311371209
BaseRepresentation
bin1100011110000…
…10100101000101
321021211112111002
412033002211011
5203234343041
614214023045
72410064552
oct617024505
9237745432
10104606021
1154058063
122b047a85
1318897170
14dc6da29
1592b459b
hex63c2945

104606021 has 8 divisors (see below), whose sum is σ = 113651160. Its totient is φ = 95703552.

The previous prime is 104606011. The next prime is 104606069. The reversal of 104606021 is 120606401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21996100 + 82609921 = 4690^2 + 9089^2 .

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 104606021 - 26 = 104605957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104605984 and 104606002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104606011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34136 + ... + 37073.

It is an arithmetic number, because the mean of its divisors is an integer number (14206395).

Almost surely, 2104606021 is an apocalyptic number.

It is an amenable number.

104606021 is a deficient number, since it is larger than the sum of its proper divisors (9045139).

104606021 is a wasteful number, since it uses less digits than its factorization.

104606021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71335.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 104606021 is about 10227.7084921306. The cubic root of 104606021 is about 471.1786037756.

The spelling of 104606021 in words is "one hundred four million, six hundred six thousand, twenty-one".

Divisors: 1 13 113 1469 71209 925717 8046617 104606021