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3161106 = 234131979
BaseRepresentation
bin1100000011110000010010
312221121020000
430003300102
51302123411
6151430430
735604024
oct14036022
95847200
103161106
111869a93
121085416
13868aa0
145c4014
15426956
hex303c12

3161106 has 80 divisors (see below), whose sum is σ = 8131200. Its totient is φ = 909792.

The previous prime is 3161089. The next prime is 3161107. The reversal of 3161106 is 6011613.

It is a super-2 number, since 2×31611062 = 19985182286472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161107) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39975 + ... + 40053.

It is an arithmetic number, because the mean of its divisors is an integer number (101640).

Almost surely, 23161106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3161106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4065600).

3161106 is an abundant number, since it is smaller than the sum of its proper divisors (4970094).

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

3161106 is a wasteful number, since it uses less digits than its factorization.

3161106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 3161106 is about 1777.9499430524. The cubic root of 3161106 is about 146.7617966404.

Adding to 3161106 its reverse (6011613), we get a palindrome (9172719).

The spelling of 3161106 in words is "three million, one hundred sixty-one thousand, one hundred six".

Divisors: 1 2 3 6 9 13 18 19 26 27 38 39 54 57 78 79 81 114 117 158 162 171 234 237 247 342 351 474 494 513 702 711 741 1026 1027 1053 1422 1482 1501 1539 2054 2106 2133 2223 3002 3078 3081 4266 4446 4503 6162 6399 6669 9006 9243 12798 13338 13509 18486 19513 20007 27018 27729 39026 40014 40527 55458 58539 81054 83187 117078 121581 166374 175617 243162 351234 526851 1053702 1580553 3161106