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30112332 = 2232838867
BaseRepresentation
bin111001011011…
…1101001001100
32002122212100120
41302313221030
530202043312
62553224540
7513644025
oct162675114
962585316
1030112332
1115aa7928
12a102150
136314163
143ddbc4c
15299c28c
hex1cb7a4c

30112332 has 24 divisors (see below), whose sum is σ = 70518336. Its totient is φ = 10000848.

The previous prime is 30112331. The next prime is 30112343. The reversal of 30112332 is 23321103.

It is not an unprimeable number, because it can be changed into a prime (30112331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038 + ... + 7829.

It is an arithmetic number, because the mean of its divisors is an integer number (2938264).

Almost surely, 230112332 is an apocalyptic number.

It is an amenable number.

30112332 is an abundant number, since it is smaller than the sum of its proper divisors (40406004).

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

30112332 is a wasteful number, since it uses less digits than its factorization.

30112332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9157 (or 9155 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 30112332 is about 5487.4704555013. The cubic root of 30112332 is about 311.1105915902.

Adding to 30112332 its reverse (23321103), we get a palindrome (53433435).

The spelling of 30112332 in words is "thirty million, one hundred twelve thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 283 566 849 1132 1698 3396 8867 17734 26601 35468 53202 106404 2509361 5018722 7528083 10037444 15056166 30112332