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1893484068 = 223723220211
BaseRepresentation
bin111000011011100…
…0100011000100100
311212221220221211120
41300313010120210
512334212442233
6511515533540
764631230500
oct16067043044
94787827746
101893484068
11891905673
1244a15a2b0
13242391a98
1413d68d300
15b13724b3
hex70dc4624

1893484068 has 36 divisors (see below), whose sum is σ = 5139458352. Its totient is φ = 540995280.

The previous prime is 1893484051. The next prime is 1893484069. The reversal of 1893484068 is 8604843981.

It is a self number, because there is not a number n which added to its sum of digits gives 1893484068.

It is not an unprimeable number, because it can be changed into a prime (1893484069) 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 11 ways as a sum of consecutive naturals, for example, 1609518 + ... + 1610693.

It is an arithmetic number, because the mean of its divisors is an integer number (142762732).

Almost surely, 21893484068 is an apocalyptic number.

It is an amenable number.

1893484068 is an abundant number, since it is smaller than the sum of its proper divisors (3245974284).

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

1893484068 is a wasteful number, since it uses less digits than its factorization.

1893484068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220232 (or 3220223 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 1893484068 is about 43514.1823777030. The cubic root of 1893484068 is about 1237.1448504782.

The spelling of 1893484068 in words is "one billion, eight hundred ninety-three million, four hundred eighty-four thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 3220211 6440422 9660633 12880844 19321266 22541477 38642532 45082954 67624431 90165908 135248862 157790339 270497724 315580678 473371017 631161356 946742034 1893484068