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12402324 = 22321131319
BaseRepresentation
bin101111010011…
…111010010100
3212100002210100
4233103322110
511133333244
61121454100
7210263244
oct57237224
925302710
1012402324
117001060
1241a1330
13275316c
14190bb24
15114eb69
hexbd3e94

12402324 has 36 divisors (see below), whose sum is σ = 34201440. Its totient is φ = 3758160.

The previous prime is 12402311. The next prime is 12402349. The reversal of 12402324 is 42320421.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 12402297 and 12402306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15264 + ... + 16055.

It is an arithmetic number, because the mean of its divisors is an integer number (950040).

Almost surely, 212402324 is an apocalyptic number.

It is an amenable number.

12402324 is an abundant number, since it is smaller than the sum of its proper divisors (21799116).

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

12402324 is a wasteful number, since it uses less digits than its factorization.

12402324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31340 (or 31335 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12402324 is about 3521.6933426975. The cubic root of 12402324 is about 231.4733645089.

Adding to 12402324 its reverse (42320421), we get a palindrome (54722745).

The spelling of 12402324 in words is "twelve million, four hundred two thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 31319 62638 93957 125276 187914 281871 344509 375828 563742 689018 1033527 1127484 1378036 2067054 3100581 4134108 6201162 12402324