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748230 = 23572509
BaseRepresentation
bin10110110101011000110
31102000101020
42312223012
5142420410
624012010
76234300
oct2665306
91360336
10748230
1147117a
12301006
13202752
14156970
15eba70
hexb6ac6

748230 has 48 divisors (see below), whose sum is σ = 2093040. Its totient is φ = 170688.

The previous prime is 748219. The next prime is 748249. The reversal of 748230 is 32847.

748230 = 4312 + 4322 + ... + 4342.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 748230.

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 23 ways as a sum of consecutive naturals, for example, 1216 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (43605).

2748230 is an apocalyptic number.

748230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 748230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046520).

748230 is an abundant number, since it is smaller than the sum of its proper divisors (1344810).

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

748230 is a wasteful number, since it uses less digits than its factorization.

With its successor (748231) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (533).

748230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 748230 is about 865.0028901686. The cubic root of 748230 is about 90.7844999320.

The spelling of 748230 in words is "seven hundred forty-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 509 735 1018 1470 1527 2545 3054 3563 5090 7126 7635 10689 15270 17815 21378 24941 35630 49882 53445 74823 106890 124705 149646 249410 374115 748230