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1897068 = 2231491061
BaseRepresentation
bin111001111001001101100
310120101021210
413033021230
5441201233
6104354420
722060545
oct7171154
93511253
101897068
111086328
12775a10
13515634
143754cc
15277163
hex1cf26c

1897068 has 24 divisors (see below), whose sum is σ = 4460400. Its totient is φ = 627520.

The previous prime is 1897057. The next prime is 1897069. The reversal of 1897068 is 8607981.

It is not an unprimeable number, because it can be changed into a prime (1897069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258 + ... + 2318.

It is an arithmetic number, because the mean of its divisors is an integer number (185850).

21897068 is an apocalyptic number.

It is an amenable number.

1897068 is an abundant number, since it is smaller than the sum of its proper divisors (2563332).

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

1897068 is a wasteful number, since it uses less digits than its factorization.

1897068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1897068 is about 1377.3409164038. The cubic root of 1897068 is about 123.7924902555.

The spelling of 1897068 in words is "one million, eight hundred ninety-seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 149 298 447 596 894 1061 1788 2122 3183 4244 6366 12732 158089 316178 474267 632356 948534 1897068