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30235500 = 2232536719
BaseRepresentation
bin111001101010…
…1101101101100
32002220010022100
41303111231230
530220014000
63000015100
7514666101
oct163255554
962803270
1030235500
1116081419
12a161490
136358239
144030aa8
1529c3a00
hex1cd5b6c

30235500 has 72 divisors (see below), whose sum is σ = 95397120. Its totient is φ = 8061600.

The previous prime is 30235481. The next prime is 30235519. The reversal of 30235500 is 553203.

It is an interprime number because it is at equal distance from previous prime (30235481) and next prime (30235519).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1141 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (1324960).

Almost surely, 230235500 is an apocalyptic number.

30235500 is a gapful number since it is divisible by the number (30) 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 30235500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47698560).

30235500 is an abundant number, since it is smaller than the sum of its proper divisors (65161620).

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

30235500 is a wasteful number, since it uses less digits than its factorization.

30235500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744 (or 6729 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 30235500 is about 5498.6816601800. The cubic root of 30235500 is about 311.5341914929.

Adding to 30235500 its reverse (553203), we get a palindrome (30788703).

The spelling of 30235500 in words is "thirty million, two hundred thirty-five thousand, five hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 125 150 180 225 250 300 375 450 500 750 900 1125 1500 2250 4500 6719 13438 20157 26876 33595 40314 60471 67190 80628 100785 120942 134380 167975 201570 241884 302355 335950 403140 503925 604710 671900 839875 1007850 1209420 1511775 1679750 2015700 2519625 3023550 3359500 5039250 6047100 7558875 10078500 15117750 30235500