Search a number
-
+
201200804 = 227191312887
BaseRepresentation
bin10111111111000…
…01010010100100
3112000121001121122
423333201102210
5403001411204
631544233112
74662115160
oct1377412244
9460531548
10201200804
11a3633162
125746b798
13328b7a3c
141ca15ca0
15129e50be
hexbfe14a4

201200804 has 48 divisors (see below), whose sum is σ = 426961920. Its totient is φ = 81038880.

The previous prime is 201200801. The next prime is 201200821. The reversal of 201200804 is 408002102.

It is not an unprimeable number, because it can be changed into a prime (201200801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68249 + ... + 71135.

It is an arithmetic number, because the mean of its divisors is an integer number (8895040).

Almost surely, 2201200804 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 201200804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213480960).

201200804 is an abundant number, since it is smaller than the sum of its proper divisors (225761116).

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

201200804 is a wasteful number, since it uses less digits than its factorization.

201200804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3046 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 201200804 is about 14184.5269219668. The cubic root of 201200804 is about 585.9716038068.

Adding to 201200804 its reverse (408002102), we get a palindrome (609202906).

The spelling of 201200804 in words is "two hundred one million, two hundred thousand, eight hundred four".

Divisors: 1 2 4 7 14 19 28 38 76 131 133 262 266 524 532 917 1834 2489 2887 3668 4978 5774 9956 11548 17423 20209 34846 40418 54853 69692 80836 109706 219412 378197 383971 756394 767942 1512788 1535884 2647379 5294758 7185743 10589516 14371486 28742972 50300201 100600402 201200804