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12310074 = 2327217821
BaseRepresentation
bin101110111101…
…011000111010
3212011102020200
4232331120322
511122410244
61115503030
7206430300
oct56753072
925142220
1012310074
116a48817
124157a76
13272018a
1418c6270
151132669
hexbbd63a

12310074 has 72 divisors (see below), whose sum is σ = 32891508. Its totient is φ = 3306240.

The previous prime is 12310073. The next prime is 12310079. The reversal of 12310074 is 47001321.

It can be written as a sum of positive squares in 2 ways, for example, as 12299049 + 11025 = 3507^2 + 105^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12310073) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14584 + ... + 15404.

Almost surely, 212310074 is an apocalyptic number.

12310074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12310074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16445754).

12310074 is an abundant number, since it is smaller than the sum of its proper divisors (20581434).

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

12310074 is a wasteful number, since it uses less digits than its factorization.

12310074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12310074 is about 3508.5715041880. The cubic root of 12310074 is about 230.8980266165.

Adding to 12310074 its reverse (47001321), we get a palindrome (59311395).

The spelling of 12310074 in words is "twelve million, three hundred ten thousand, seventy-four".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 49 51 63 98 102 119 126 147 153 238 294 306 357 441 714 821 833 882 1071 1642 1666 2142 2463 2499 4926 4998 5747 7389 7497 11494 13957 14778 14994 17241 27914 34482 40229 41871 51723 80458 83742 97699 103446 120687 125613 195398 241374 251226 293097 362061 586194 683893 724122 879291 1367786 1758582 2051679 4103358 6155037 12310074