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30266808 = 23311138819
BaseRepresentation
bin111001101110…
…1010110111000
32002221201020220
41303131112320
530222014213
63000420040
7515156265
oct163352670
962851226
1030266808
11160a29a0
12a177620
136369570
14403c26c
1529cce23
hex1cdd5b8

30266808 has 64 divisors (see below), whose sum is σ = 88905600. Its totient is φ = 8465280.

The previous prime is 30266801. The next prime is 30266809. The reversal of 30266808 is 80866203.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30266801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978 + ... + 7841.

It is an arithmetic number, because the mean of its divisors is an integer number (1389150).

Almost surely, 230266808 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 30266808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44452800).

30266808 is an abundant number, since it is smaller than the sum of its proper divisors (58638792).

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

30266808 is a wasteful number, since it uses less digits than its factorization.

30266808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8852 (or 8848 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 30266808 is about 5501.5277878059. The cubic root of 30266808 is about 311.6416826640.

The spelling of 30266808 in words is "thirty million, two hundred sixty-six thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 264 286 312 429 572 858 1144 1716 3432 8819 17638 26457 35276 52914 70552 97009 105828 114647 194018 211656 229294 291027 343941 388036 458588 582054 687882 776072 917176 1164108 1261117 1375764 2328216 2522234 2751528 3783351 5044468 7566702 10088936 15133404 30266808