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12323628 = 22321943419
BaseRepresentation
bin101111000000…
…101100101100
3212012002211200
4233000230230
511123324003
61120045500
7206514642
oct57005454
925162750
1012323628
116a57a19
124163890
1327263b5
1418cb192
1511366a3
hexbc0b2c

12323628 has 72 divisors (see below), whose sum is σ = 33633600. Its totient is φ = 3792096.

The previous prime is 12323621. The next prime is 12323639. The reversal of 12323628 is 82632321.

12323628 is a `hidden beast` number, since 1 + 2 + 32 + 3 + 628 = 666.

It is not an unprimeable number, because it can be changed into a prime (12323621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29203 + ... + 29621.

Almost surely, 212323628 is an apocalyptic number.

12323628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12323628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16816800).

12323628 is an abundant number, since it is smaller than the sum of its proper divisors (21309972).

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

12323628 is a wasteful number, since it uses less digits than its factorization.

12323628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 486 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 12323628 is about 3510.5025281290. The cubic root of 12323628 is about 230.9827389137.

Adding to 12323628 its reverse (82632321), we get a palindrome (94955949).

The spelling of 12323628 in words is "twelve million, three hundred twenty-three thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 43 57 76 86 114 129 171 172 228 258 342 387 419 516 684 774 817 838 1257 1548 1634 1676 2451 2514 3268 3771 4902 5028 7353 7542 7961 9804 14706 15084 15922 18017 23883 29412 31844 36034 47766 54051 71649 72068 95532 108102 143298 162153 216204 286596 324306 342323 648612 684646 1026969 1369292 2053938 3080907 4107876 6161814 12323628