Search a number
-
+
101144800 = 2552232239
BaseRepresentation
bin1100000011101…
…01100011100000
321001022200120201
412001311203200
5201343113200
614011514544
72335500541
oct601654340
9231280521
10101144800
1152103649
1229a58a54
1317c548c3
14d60c4c8
158d2dc6a
hex60758e0

101144800 has 108 divisors (see below), whose sum is σ = 259202160. Its totient is φ = 38536960.

The previous prime is 101144789. The next prime is 101144801. The reversal of 101144800 is 8441101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101144801) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 423081 + ... + 423319.

It is an arithmetic number, because the mean of its divisors is an integer number (2400020).

Almost surely, 2101144800 is an apocalyptic number.

101144800 is a gapful number since it is divisible by the number (10) 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 101144800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129601080).

101144800 is an abundant number, since it is smaller than the sum of its proper divisors (158057360).

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

101144800 is a wasteful number, since it uses less digits than its factorization.

101144800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 101144800 is about 10057.0771101747. The cubic root of 101144800 is about 465.9233973073.

Adding to 101144800 its reverse (8441101), we get a palindrome (109585901).

The spelling of 101144800 in words is "one hundred one million, one hundred forty-four thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 23 25 32 40 46 50 80 92 100 115 160 184 200 230 239 368 400 460 478 529 575 736 800 920 956 1058 1150 1195 1840 1912 2116 2300 2390 2645 3680 3824 4232 4600 4780 5290 5497 5975 7648 8464 9200 9560 10580 10994 11950 13225 16928 18400 19120 21160 21988 23900 26450 27485 38240 42320 43976 47800 52900 54970 84640 87952 95600 105800 109940 126431 137425 175904 191200 211600 219880 252862 274850 423200 439760 505724 549700 632155 879520 1011448 1099400 1264310 2022896 2198800 2528620 3160775 4045792 4397600 5057240 6321550 10114480 12643100 20228960 25286200 50572400 101144800