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1916364 = 223159697
BaseRepresentation
bin111010011110111001100
310121100202110
413103313030
5442310424
6105024020
722201032
oct7236714
93540673
101916364
11109987a
12785010
13521358
1437c552
1527cc29
hex1d3dcc

1916364 has 12 divisors (see below), whose sum is σ = 4471544. Its totient is φ = 638784.

The previous prime is 1916363. The next prime is 1916371. The reversal of 1916364 is 4636191.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1916363) 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 3 ways as a sum of consecutive naturals, for example, 79837 + ... + 79860.

21916364 is an apocalyptic number.

It is an amenable number.

1916364 is an abundant number, since it is smaller than the sum of its proper divisors (2555180).

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

1916364 is a wasteful number, since it uses less digits than its factorization.

1916364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159704 (or 159702 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 1916364 is about 1384.3279958160. The cubic root of 1916364 is about 124.2107930388.

It can be divided in two parts, 191 and 6364, that added together give a triangular number (6555 = T114).

The spelling of 1916364 in words is "one million, nine hundred sixteen thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 159697 319394 479091 638788 958182 1916364