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1297164 = 2231131317
BaseRepresentation
bin100111100101100001100
32102220101010
410330230030
5313002124
643445220
714011551
oct4745414
92386333
101297164
11806640
12526810
1336556b
1425aa28
151a9529
hex13cb0c

1297164 has 48 divisors (see below), whose sum is σ = 3419136. Its totient is φ = 379200.

The previous prime is 1297157. The next prime is 1297169. The reversal of 1297164 is 4617921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1297169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3934 + ... + 4250.

It is an arithmetic number, because the mean of its divisors is an integer number (71232).

21297164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1297164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709568).

1297164 is an abundant number, since it is smaller than the sum of its proper divisors (2121972).

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

1297164 is a wasteful number, since it uses less digits than its factorization.

1297164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 364 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 1297164 is about 1138.9310778094. The cubic root of 1297164 is about 109.0598666726.

The spelling of 1297164 in words is "one million, two hundred ninety-seven thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 11 12 22 31 33 44 62 66 93 124 132 186 317 341 372 634 682 951 1023 1268 1364 1902 2046 3487 3804 4092 6974 9827 10461 13948 19654 20922 29481 39308 41844 58962 108097 117924 216194 324291 432388 648582 1297164