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30323412 = 22327120331
BaseRepresentation
bin111001110101…
…1001011010100
32010001120220100
41303223023110
530230322122
63001534100
7515513310
oct163531324
963046810
1030323412
1116131479
12a1a4330
136389262
144054b40
1529deaac
hex1ceb2d4

30323412 has 36 divisors (see below), whose sum is σ = 87601696. Its totient is φ = 8663760.

The previous prime is 30323399. The next prime is 30323431. The reversal of 30323412 is 21432303.

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

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, 59914 + ... + 60417.

Almost surely, 230323412 is an apocalyptic number.

It is an amenable number.

30323412 is an abundant number, since it is smaller than the sum of its proper divisors (57278284).

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

30323412 is a wasteful number, since it uses less digits than its factorization.

30323412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120348 (or 120343 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 30323412 is about 5506.6697740104. The cubic root of 30323412 is about 311.8358357280.

Adding to 30323412 its reverse (21432303), we get a palindrome (51755715).

The spelling of 30323412 in words is "thirty million, three hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 120331 240662 360993 481324 721986 842317 1082979 1443972 1684634 2165958 2526951 3369268 4331916 5053902 7580853 10107804 15161706 30323412