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30752282 = 2117331907
BaseRepresentation
bin111010101001…
…1111000011010
32010212101012102
41311103320122
530333033112
63015043402
7522250541
oct165237032
963771172
1030752282
11163a4710
12a370562
1364a9522
144127158
152a76bc2
hex1d53e1a

30752282 has 16 divisors (see below), whose sum is σ = 50416992. Its totient is φ = 13951920.

The previous prime is 30752273. The next prime is 30752287. The reversal of 30752282 is 28225703.

It is not an unprimeable number, because it can be changed into a prime (30752287) 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, 15173 + ... + 17079.

It is an arithmetic number, because the mean of its divisors is an integer number (3151062).

Almost surely, 230752282 is an apocalyptic number.

30752282 is a deficient number, since it is larger than the sum of its proper divisors (19664710).

30752282 is a wasteful number, since it uses less digits than its factorization.

30752282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 30752282 is about 5545.4740103980. The cubic root of 30752282 is about 313.2990775387.

Adding to 30752282 its reverse (28225703), we get a palindrome (58977985).

The spelling of 30752282 in words is "thirty million, seven hundred fifty-two thousand, two hundred eighty-two".

Divisors: 1 2 11 22 733 1466 1907 3814 8063 16126 20977 41954 1397831 2795662 15376141 30752282