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30430338 = 232947612
BaseRepresentation
bin111010000010…
…1010010000010
32010021000120120
41310011102002
530242232323
63004121110
7516440121
oct164052202
963230516
1030430338
11161a4844
12a236196
1363c5b23
144081ab8
152a115e3
hex1d05482

30430338 has 48 divisors (see below), whose sum is σ = 65370240. Its totient is φ = 9428160.

The previous prime is 30430331. The next prime is 30430339. The reversal of 30430338 is 83303403.

It is not an unprimeable number, because it can be changed into a prime (30430331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498828 + ... + 498888.

It is an arithmetic number, because the mean of its divisors is an integer number (1361880).

Almost surely, 230430338 is an apocalyptic number.

30430338 is an abundant number, since it is smaller than the sum of its proper divisors (34939902).

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

30430338 is a wasteful number, since it uses less digits than its factorization.

30430338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 30430338 is about 5516.3700020938. The cubic root of 30430338 is about 312.2019361692.

The spelling of 30430338 in words is "thirty million, four hundred thirty thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 29 47 58 61 87 94 122 141 174 183 282 366 1363 1769 2726 2867 3538 3721 4089 5307 5734 7442 8178 8601 10614 11163 17202 22326 83143 107909 166286 174887 215818 249429 323727 349774 498858 524661 647454 1049322 5071723 10143446 15215169 30430338