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1930056 = 233137587
BaseRepresentation
bin111010111001101001000
310122001112120
413113031020
5443230211
6105211240
722255662
oct7271510
93561476
101930056
1110a9097
12790b20
1352765b
14383532
15281d06
hex1d7348

1930056 has 32 divisors (see below), whose sum is σ = 4868640. Its totient is φ = 637568.

The previous prime is 1930043. The next prime is 1930057. The reversal of 1930056 is 6500391.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1930057) by changing a digit.

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, 2995 + ... + 3581.

It is an arithmetic number, because the mean of its divisors is an integer number (152145).

21930056 is an apocalyptic number.

It is an amenable number.

1930056 is an abundant number, since it is smaller than the sum of its proper divisors (2938584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1930056 is a wasteful number, since it uses less digits than its factorization.

1930056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 1930056 is about 1389.2645536398. The cubic root of 1930056 is about 124.5059109143.

The spelling of 1930056 in words is "one million, nine hundred thirty thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 137 274 411 548 587 822 1096 1174 1644 1761 2348 3288 3522 4696 7044 14088 80419 160838 241257 321676 482514 643352 965028 1930056