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42132012 = 223132967139
BaseRepresentation
bin1010000010111…
…0001000101100
32221021112020220
42200232020230
541241211022
64103011340
71021054566
oct240561054
987245226
1042132012
112186744a
1212139b50
1389620b0
14584a336
153a7385c
hex282e22c

42132012 has 96 divisors (see below), whose sum is σ = 111955200. Its totient is φ = 12241152.

The previous prime is 42131989. The next prime is 42132017. The reversal of 42132012 is 21023124.

It is a junction number, because it is equal to n+sod(n) for n = 42131982 and 42132000.

It is not an unprimeable number, because it can be changed into a prime (42132017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303039 + ... + 303177.

It is an arithmetic number, because the mean of its divisors is an integer number (1166200).

Almost surely, 242132012 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 42132012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55977600).

42132012 is an abundant number, since it is smaller than the sum of its proper divisors (69823188).

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

42132012 is a wasteful number, since it uses less digits than its factorization.

42132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42132012 is about 6490.9176546926. The cubic root of 42132012 is about 347.9664718656.

Adding to 42132012 its reverse (21023124), we get a palindrome (63155136).

The spelling of 42132012 in words is "forty-two million, one hundred thirty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 13 26 29 39 52 58 67 78 87 116 134 139 156 174 201 268 278 348 377 402 417 556 754 804 834 871 1131 1508 1668 1742 1807 1943 2262 2613 3484 3614 3886 4031 4524 5226 5421 5829 7228 7772 8062 9313 10452 10842 11658 12093 16124 18626 21684 23316 24186 25259 27939 37252 48372 50518 52403 55878 75777 101036 104806 111756 121069 151554 157209 209612 242138 270077 303108 314418 363207 484276 540154 628836 726414 810231 1080308 1452828 1620462 3240924 3511001 7022002 10533003 14044004 21066006 42132012