Search a number
-
+
200699790 = 23517974057
BaseRepresentation
bin10111111011001…
…10111110001110
3111222122121100120
423331212332032
5402334343130
631525405410
74654630404
oct1375467616
9458577316
10200699790
11a33207a5
1257269866
1332770995
141c925474
1512946910
hexbf66f8e

200699790 has 64 divisors (see below), whose sum is σ = 515398464. Its totient is φ = 49840128.

The previous prime is 200699789. The next prime is 200699801. The reversal of 200699790 is 97996002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47442 + ... + 51498.

It is an arithmetic number, because the mean of its divisors is an integer number (8053101).

Almost surely, 2200699790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200699790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257699232).

200699790 is an abundant number, since it is smaller than the sum of its proper divisors (314698674).

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

200699790 is a wasteful number, since it uses less digits than its factorization.

200699790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 200699790 is about 14166.8553320771. The cubic root of 200699790 is about 585.4848198046.

The spelling of 200699790 in words is "two hundred million, six hundred ninety-nine thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 97 102 170 194 255 291 485 510 582 970 1455 1649 2910 3298 4057 4947 8114 8245 9894 12171 16490 20285 24342 24735 40570 49470 60855 68969 121710 137938 206907 344845 393529 413814 689690 787058 1034535 1180587 1967645 2069070 2361174 3935290 5902935 6689993 11805870 13379986 20069979 33449965 40139958 66899930 100349895 200699790