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200331992 = 2372796469
BaseRepresentation
bin10111111000011…
…01001011011000
3111221221220211102
423330031023120
5402241110432
631513450532
74651536200
oct1374151330
9457856742
10200331992
11a309a433
1257110a48
1332672453
141c86b400
15128c2962
hexbf0d2d8

200331992 has 48 divisors (see below), whose sum is σ = 442548000. Its totient is φ = 84756672.

The previous prime is 200331983. The next prime is 200332007. The reversal of 200331992 is 299133002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27734 + ... + 34202.

It is an arithmetic number, because the mean of its divisors is an integer number (9219750).

Almost surely, 2200331992 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 200331992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221274000).

200331992 is an abundant number, since it is smaller than the sum of its proper divisors (242216008).

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

200331992 is a wasteful number, since it uses less digits than its factorization.

200331992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568 (or 6557 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 200331992 is about 14153.8684464707. The cubic root of 200331992 is about 585.1269522613.

Adding to 200331992 its reverse (299133002), we get a palindrome (499464994).

The spelling of 200331992 in words is "two hundred million, three hundred thirty-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 49 56 79 98 158 196 316 392 553 632 1106 2212 3871 4424 6469 7742 12938 15484 25876 30968 45283 51752 90566 181132 316981 362264 511051 633962 1022102 1267924 2044204 2535848 3577357 4088408 7154714 14309428 25041499 28618856 50082998 100165996 200331992