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20060208 = 2432722843
BaseRepresentation
bin100110010000…
…1100000110000
31101202011102200
41030201200300
520113411313
61553543200
7332336400
oct114414060
941664380
1020060208
1110361593
126874b00
13420495c
142942800
151b63b73
hex1321830

20060208 has 90 divisors (see below), whose sum is σ = 65329524. Its totient is φ = 5729472.

The previous prime is 20060197. The next prime is 20060213. The reversal of 20060208 is 80206002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5635 + ... + 8477.

Almost surely, 220060208 is an apocalyptic number.

20060208 is a gapful number since it is divisible by the number (28) 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 20060208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32664762).

20060208 is an abundant number, since it is smaller than the sum of its proper divisors (45269316).

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

20060208 is a wasteful number, since it uses less digits than its factorization.

20060208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20060208 is about 4478.8623555541. The cubic root of 20060208 is about 271.7138715484.

The spelling of 20060208 in words is "twenty million, sixty thousand, two hundred eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 49 56 63 72 84 98 112 126 144 147 168 196 252 294 336 392 441 504 588 784 882 1008 1176 1764 2352 2843 3528 5686 7056 8529 11372 17058 19901 22744 25587 34116 39802 45488 51174 59703 68232 79604 102348 119406 136464 139307 159208 179109 204696 238812 278614 318416 358218 409392 417921 477624 557228 716436 835842 955248 1114456 1253763 1432872 1671684 2228912 2507526 2865744 3343368 5015052 6686736 10030104 20060208