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204108740 = 225112114397
BaseRepresentation
bin11000010101001…
…11001111000100
3112020001210112222
430022213033010
5404222434430
632130431512
75025616133
oct1412471704
9466053488
10204108740
11a5239a10
1258432598
1333395504
141d17191a
1512dbb9e5
hexc2a73c4

204108740 has 48 divisors (see below), whose sum is σ = 469917504. Its totient is φ = 73852800.

The previous prime is 204108731. The next prime is 204108767. The reversal of 204108740 is 47801402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44222 + ... + 48618.

It is an arithmetic number, because the mean of its divisors is an integer number (9789948).

Almost surely, 2204108740 is an apocalyptic number.

204108740 is a gapful number since it is divisible by the number (20) 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 204108740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234958752).

204108740 is an abundant number, since it is smaller than the sum of its proper divisors (265808764).

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

204108740 is a wasteful number, since it uses less digits than its factorization.

204108740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628 (or 4626 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 204108740 is about 14286.6630113543. The cubic root of 204108740 is about 588.7811090015.

The spelling of 204108740 in words is "two hundred four million, one hundred eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 211 220 422 844 1055 2110 2321 4220 4397 4642 8794 9284 11605 17588 21985 23210 43970 46420 48367 87940 96734 193468 241835 483670 927767 967340 1855534 3711068 4638835 9277670 10205437 18555340 20410874 40821748 51027185 102054370 204108740