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200709124 = 227114431471
BaseRepresentation
bin10111111011010…
…01010000000100
3111222200002011021
423331221100010
5402340142444
631525520524
74654666540
oct1375512004
9458602137
10200709124
11a3327810
1257273144
1332774cc5
141c928a20
1512949584
hexbf69404

200709124 has 48 divisors (see below), whose sum is σ = 439197696. Its totient is φ = 77968800.

The previous prime is 200709121. The next prime is 200709139. The reversal of 200709124 is 421907002.

200709124 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

200709124 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (200709121) by changing a digit.

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, 135709 + ... + 137179.

It is an arithmetic number, because the mean of its divisors is an integer number (9149952).

Almost surely, 2200709124 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 200709124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219598848).

200709124 is an abundant number, since it is smaller than the sum of its proper divisors (238488572).

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

200709124 is a wasteful number, since it uses less digits than its factorization.

200709124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 200709124 is about 14167.1847591538. The cubic root of 200709124 is about 585.4938960981.

The spelling of 200709124 in words is "two hundred million, seven hundred nine thousand, one hundred twenty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 443 886 1471 1772 2942 3101 4873 5884 6202 9746 10297 12404 16181 19492 20594 32362 34111 41188 64724 68222 113267 136444 226534 453068 651653 1303306 2606612 4561571 7168183 9123142 14336366 18246284 28672732 50177281 100354562 200709124