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2141232400 = 245229197937
BaseRepresentation
bin111111110100000…
…1001110100010000
312112020002212122201
41333220021310100
513341123414100
6552250012544
7104030114026
oct17750116420
95466085581
102141232400
119a974065a
124b9117154
132817c6628
14164540716
15c7eae36a
hex7fa09d10

2141232400 has 120 divisors (see below), whose sum is σ = 5354422920. Its totient is φ = 821882880.

The previous prime is 2141232389. The next prime is 2141232419. The reversal of 2141232400 is 42321412.

It can be written as a sum of positive squares in 12 ways, for example, as 453008656 + 1688223744 = 21284^2 + 41088^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2284732 + ... + 2285668.

It is an arithmetic number, because the mean of its divisors is an integer number (44620191).

Almost surely, 22141232400 is an apocalyptic number.

2141232400 is a gapful number since it is divisible by the number (20) 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 2141232400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2677211460).

2141232400 is an abundant number, since it is smaller than the sum of its proper divisors (3213190520).

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

2141232400 is a wasteful number, since it uses less digits than its factorization.

2141232400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2141232400 is about 46273.4524322532. The cubic root of 2141232400 is about 1288.9060693751.

Adding to 2141232400 its reverse (42321412), we get a palindrome (2183553812).

The spelling of 2141232400 in words is "two billion, one hundred forty-one million, two hundred thirty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 40 50 58 80 100 116 145 197 200 232 290 394 400 464 580 725 788 937 985 1160 1450 1576 1874 1970 2320 2900 3152 3748 3940 4685 4925 5713 5800 7496 7880 9370 9850 11426 11600 14992 15760 18740 19700 22852 23425 27173 28565 37480 39400 45704 46850 54346 57130 74960 78800 91408 93700 108692 114260 135865 142825 184589 187400 217384 228520 271730 285650 369178 374800 434768 457040 543460 571300 679325 738356 922945 1086920 1142600 1358650 1476712 1845890 2173840 2285200 2717300 2953424 3691780 4614725 5353081 5434600 7383560 9229450 10706162 10869200 14767120 18458900 21412324 26765405 36917800 42824648 53530810 73835600 85649296 107061620 133827025 214123240 267654050 428246480 535308100 1070616200 2141232400