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30182000 = 245315091
BaseRepresentation
bin111001100100…
…0101001110000
32002210101220212
41303020221300
530211311000
62554523252
7514354112
oct163105160
962711825
1030182000
1116045202
12a136528
136339a94
1440193b2
1529b2c35
hex1cc8a70

30182000 has 40 divisors (see below), whose sum is σ = 72984912. Its totient is φ = 12072000.

The previous prime is 30181999. The next prime is 30182023. The reversal of 30182000 is 28103.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5546 + ... + 9545.

Almost surely, 230182000 is an apocalyptic number.

It is an amenable number.

30182000 is an abundant number, since it is smaller than the sum of its proper divisors (42802912).

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

30182000 is a wasteful number, since it uses less digits than its factorization.

30182000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15114 (or 15098 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 30182000 is about 5493.8147038283. The cubic root of 30182000 is about 311.3503356568.

The spelling of 30182000 in words is "thirty million, one hundred eighty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 15091 30182 60364 75455 120728 150910 241456 301820 377275 603640 754550 1207280 1509100 1886375 3018200 3772750 6036400 7545500 15091000 30182000