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1078164 = 223367149
BaseRepresentation
bin100000111001110010100
32000202222000
410013032110
5234000124
635035300
712110223
oct4071624
92022860
101078164
1167704a
1243bb30
132b9989
14200cba
151646c9
hex107394

1078164 has 48 divisors (see below), whose sum is σ = 2856000. Its totient is φ = 351648.

The previous prime is 1078163. The next prime is 1078169. The reversal of 1078164 is 4618701.

It is a happy number.

It is a super-2 number, since 2×10781642 = 2324875221792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078163) 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, 7162 + ... + 7310.

It is an arithmetic number, because the mean of its divisors is an integer number (59500).

21078164 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 1078164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428000).

1078164 is an abundant number, since it is smaller than the sum of its proper divisors (1777836).

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

1078164 is a wasteful number, since it uses less digits than its factorization.

1078164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1078164 is about 1038.3467628880. The cubic root of 1078164 is about 102.5403846417.

The spelling of 1078164 in words is "one million, seventy-eight thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 67 108 134 149 201 268 298 402 447 596 603 804 894 1206 1341 1788 1809 2412 2682 3618 4023 5364 7236 8046 9983 16092 19966 29949 39932 59898 89847 119796 179694 269541 359388 539082 1078164