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30211130 = 254764279
BaseRepresentation
bin111001100111…
…1110000111010
32002211212212202
41303033300322
530213224010
62555310202
7514535045
oct163176072
962755782
1030211130
1116065084
12a14b362
13634a111
144025c5c
1529bb6a5
hex1ccfc3a

30211130 has 16 divisors (see below), whose sum is σ = 55537920. Its totient is φ = 11827152.

The previous prime is 30211117. The next prime is 30211147. The reversal of 30211130 is 3111203.

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, 31670 + ... + 32609.

It is an arithmetic number, because the mean of its divisors is an integer number (3471120).

Almost surely, 230211130 is an apocalyptic number.

30211130 is a deficient number, since it is larger than the sum of its proper divisors (25326790).

30211130 is a wasteful number, since it uses less digits than its factorization.

30211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64333.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 30211130 is about 5496.4652277623. The cubic root of 30211130 is about 311.4504695004.

Adding to 30211130 its reverse (3111203), we get a palindrome (33322333).

The spelling of 30211130 in words is "thirty million, two hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 64279 128558 321395 642790 3021113 6042226 15105565 30211130