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12103032 = 2331014993
BaseRepresentation
bin101110001010…
…110101111000
3211202220020110
4232022311320
511044244112
61111224320
7204605544
oct56126570
924686213
1012103032
116917207
1240780a0
132679b76
141870a24
1510e113c
hexb8ad78

12103032 has 32 divisors (see below), whose sum is σ = 30563280. Its totient is φ = 3993600.

The previous prime is 12103009. The next prime is 12103043. The reversal of 12103032 is 23030121.

Added to its reverse (23030121) it gives a triangular number (35133153 = T8382).

It is a happy number.

It is a super-3 number, since 3×121030323 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12102999 and 12103017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73 + ... + 4920.

Almost surely, 212103032 is an apocalyptic number.

12103032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103032 is an abundant number, since it is smaller than the sum of its proper divisors (18460248).

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

12103032 is a wasteful number, since it uses less digits than its factorization.

12103032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5099 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12103032 is about 3478.9412182444. The cubic root of 12103032 is about 229.5962165564.

Adding to 12103032 its reverse (23030121), we get a palindrome (35133153).

The spelling of 12103032 in words is "twelve million, one hundred three thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 101 202 303 404 606 808 1212 2424 4993 9986 14979 19972 29958 39944 59916 119832 504293 1008586 1512879 2017172 3025758 4034344 6051516 12103032