Search a number
-
+
199660032 = 29331113101
BaseRepresentation
bin10111110011010…
…01001000000000
3111220200210002000
423321221020000
5402103110112
631451224000
74643040135
oct1371511000
9456623060
10199660032
11a27805a0
1256a48000
1332498640
141c73458c
15127dd7dc
hexbe69200

199660032 has 320 divisors, whose sum is σ = 701205120. Its totient is φ = 55296000.

The previous prime is 199660009. The next prime is 199660049. The reversal of 199660032 is 230066991.

199660032 is a `hidden beast` number, since 19 + 9 + 6 + 600 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1976782 + ... + 1976882.

It is an arithmetic number, because the mean of its divisors is an integer number (2191266).

Almost surely, 2199660032 is an apocalyptic number.

199660032 is a gapful number since it is divisible by the number (12) 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 199660032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350602560).

199660032 is an abundant number, since it is smaller than the sum of its proper divisors (501545088).

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

199660032 is a wasteful number, since it uses less digits than its factorization.

199660032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 199660032 is about 14130.1108275908. The cubic root of 199660032 is about 584.4720022260.

The spelling of 199660032 in words is "one hundred ninety-nine million, six hundred sixty thousand, thirty-two".