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1930126 = 211591487
BaseRepresentation
bin111010111001110001110
310122001122011
413113032032
5443231001
6105211434
722256122
oct7271616
93561564
101930126
1110a9150
12790b7a
135276b3
14383582
15281d51
hex1d738e

1930126 has 16 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 861880.

The previous prime is 1930099. The next prime is 1930133. The reversal of 1930126 is 6210391.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1930097 and 1930106.

It is a congruent number.

It is an unprimeable number.

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, 555 + ... + 2041.

It is an arithmetic number, because the mean of its divisors is an integer number (200880).

21930126 is an apocalyptic number.

1930126 is a deficient number, since it is larger than the sum of its proper divisors (1283954).

1930126 is a wasteful number, since it uses less digits than its factorization.

1930126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1930126 is about 1389.2897465972. The cubic root of 1930126 is about 124.5074161053.

The spelling of 1930126 in words is "one million, nine hundred thirty thousand, one hundred twenty-six".

Divisors: 1 2 11 22 59 118 649 1298 1487 2974 16357 32714 87733 175466 965063 1930126