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30266000 = 245337409
BaseRepresentation
bin111001101110…
…1001010010000
32002221200010222
41303131022100
530222003000
63000412212
7515154032
oct163351220
962850128
1030266000
11160a2326
12a177068
13636909b
14403bc52
1529cca85
hex1cdd290

30266000 has 80 divisors (see below), whose sum is σ = 75344880. Its totient is φ = 11750400.

The previous prime is 30265981. The next prime is 30266017. The reversal of 30266000 is 66203.

It can be written as a sum of positive squares in 8 ways, for example, as 541696 + 29724304 = 736^2 + 5452^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 30266000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73796 + ... + 74204.

It is an arithmetic number, because the mean of its divisors is an integer number (941811).

Almost surely, 230266000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30266000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37672440).

30266000 is an abundant number, since it is smaller than the sum of its proper divisors (45078880).

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

30266000 is a wasteful number, since it uses less digits than its factorization.

30266000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30266000 is about 5501.4543531688. The cubic root of 30266000 is about 311.6389094532.

The spelling of 30266000 in words is "thirty million, two hundred sixty-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 37 40 50 74 80 100 125 148 185 200 250 296 370 400 409 500 592 740 818 925 1000 1480 1636 1850 2000 2045 2960 3272 3700 4090 4625 6544 7400 8180 9250 10225 14800 15133 16360 18500 20450 30266 32720 37000 40900 51125 60532 74000 75665 81800 102250 121064 151330 163600 204500 242128 302660 378325 409000 605320 756650 818000 1210640 1513300 1891625 3026600 3783250 6053200 7566500 15133000 30266000