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30408352 = 2513671091
BaseRepresentation
bin111001111111…
…1111010100000
32010012220102021
41303333322200
530241031402
63003431224
7516316042
oct163777240
963186367
1030408352
111618a277
12a225514
1363b8b10
144077a92
152a09d37
hex1cffea0

30408352 has 48 divisors (see below), whose sum is σ = 65493792. Its totient is φ = 13812480.

The previous prime is 30408337. The next prime is 30408397. The reversal of 30408352 is 25380403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27327 + ... + 28417.

It is an arithmetic number, because the mean of its divisors is an integer number (1364454).

Almost surely, 230408352 is an apocalyptic number.

30408352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30408352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32746896).

30408352 is an abundant number, since it is smaller than the sum of its proper divisors (35085440).

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

30408352 is a wasteful number, since it uses less digits than its factorization.

30408352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 30408352 is about 5514.3768460271. The cubic root of 30408352 is about 312.1267291446.

Adding to 30408352 its reverse (25380403), we get a palindrome (55788755).

The spelling of 30408352 in words is "thirty million, four hundred eight thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 32 52 67 104 134 208 268 416 536 871 1072 1091 1742 2144 2182 3484 4364 6968 8728 13936 14183 17456 27872 28366 34912 56732 73097 113464 146194 226928 292388 453856 584776 950261 1169552 1900522 2339104 3801044 7602088 15204176 30408352