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1922125 = 5315377
BaseRepresentation
bin111010101010001001101
310121122122211
413111101031
5443002000
6105110421
722223602
oct7252115
93548584
101922125
1110a3137
12788411
13523b6a
143806a9
1527e7ba
hex1d544d

1922125 has 8 divisors (see below), whose sum is σ = 2398968. Its totient is φ = 1537600.

The previous prime is 1922119. The next prime is 1922147. The reversal of 1922125 is 5212291.

It can be written as a sum of positive squares in 4 ways, for example, as 56169 + 1865956 = 237^2 + 1366^2 .

It is a de Polignac number, because none of the positive numbers 2k-1922125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1922096 and 1922105.

It is a congruent number.

It is an unprimeable number.

It is a nontrivial repunit in base 124.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7564 + ... + 7813.

It is an arithmetic number, because the mean of its divisors is an integer number (299871).

21922125 is an apocalyptic number.

It is an amenable number.

1922125 is a deficient number, since it is larger than the sum of its proper divisors (476843).

1922125 is an equidigital number, since it uses as much as digits as its factorization.

1922125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15392 (or 15382 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 1922125 is about 1386.4072273326. The cubic root of 1922125 is about 124.3351365897.

The spelling of 1922125 in words is "one million, nine hundred twenty-two thousand, one hundred twenty-five".

Divisors: 1 5 25 125 15377 76885 384425 1922125