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12162942 = 23211471307
BaseRepresentation
bin101110011001…
…011101111110
3211212221102100
4232121131332
511103203232
61112405530
7205245321
oct56313576
924787370
1012162942
116958220
1240a68a6
13269b20c
1418887b8
151103c7c
hexb9977e

12162942 has 48 divisors (see below), whose sum is σ = 29382912. Its totient is φ = 3604560.

The previous prime is 12162923. The next prime is 12162959. The reversal of 12162942 is 24926121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8653 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (612144).

Almost surely, 212162942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12162942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14691456).

12162942 is an abundant number, since it is smaller than the sum of its proper divisors (17219970).

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

12162942 is a wasteful number, since it uses less digits than its factorization.

12162942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373 (or 1370 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 12162942 is about 3487.5409675013. The cubic root of 12162942 is about 229.9744268983.

The spelling of 12162942 in words is "twelve million, one hundred sixty-two thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 47 66 94 99 141 198 282 423 517 846 1034 1307 1551 2614 3102 3921 4653 7842 9306 11763 14377 23526 28754 43131 61429 86262 122858 129393 184287 258786 368574 552861 675719 1105722 1351438 2027157 4054314 6081471 12162942