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30383112 = 2334359499
BaseRepresentation
bin111001111100…
…1110000001000
32010011121210110
41303321300020
530234224422
63003114320
7516152334
oct163716010
963147713
1030383112
1116172311
12a2129a0
1363aa496
14406c7c4
152a0260c
hex1cf9c08

30383112 has 64 divisors (see below), whose sum is σ = 79200000. Its totient is φ = 9705024.

The previous prime is 30383057. The next prime is 30383137. The reversal of 30383112 is 21138303.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60639 + ... + 61137.

It is an arithmetic number, because the mean of its divisors is an integer number (1237500).

Almost surely, 230383112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30383112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39600000).

30383112 is an abundant number, since it is smaller than the sum of its proper divisors (48816888).

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

30383112 is a wasteful number, since it uses less digits than its factorization.

30383112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 30383112 is about 5512.0878077186. The cubic root of 30383112 is about 312.0403465246.

The spelling of 30383112 in words is "thirty million, three hundred eighty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 43 59 86 118 129 172 177 236 258 344 354 472 499 516 708 998 1032 1416 1497 1996 2537 2994 3992 5074 5988 7611 10148 11976 15222 20296 21457 29441 30444 42914 58882 60888 64371 85828 88323 117764 128742 171656 176646 235528 257484 353292 514968 706584 1265963 2531926 3797889 5063852 7595778 10127704 15191556 30383112