Search a number
-
+
2124288100 = 22521124192
BaseRepresentation
bin111111010011110…
…0001000001100100
312111001020000110001
41332213201001210
513322304204400
6550442511044
7103433102524
oct17647410144
95431200401
102124288100
119a0118100
124b3505484
1327b14300c
141621ad684
15c6763a6a
hex7e9e1064

2124288100 has 81 divisors (see below), whose sum is σ = 5078987641. Its totient is φ = 770624800.

The previous prime is 2124288079. The next prime is 2124288109. The reversal of 2124288100 is 18824212.

The square root of 2124288100 is 46090.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 764743716 + 1359544384 = 27654^2 + 36872^2 .

It is a super-2 number, since 2×21242881002 = 9025199863603220000, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124288109) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5069691 + ... + 5070109.

Almost surely, 22124288100 is an apocalyptic number.

2124288100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2124288100 is the 46090-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2124288100

2124288100 is an abundant number, since it is smaller than the sum of its proper divisors (2954699541).

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

2124288100 is a wasteful number, since it uses less digits than its factorization.

2124288100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The cubic root of 2124288100 is about 1285.4972110299.

The spelling of 2124288100 in words is "two billion, one hundred twenty-four million, two hundred eighty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 220 242 275 419 484 550 605 838 1100 1210 1676 2095 2420 3025 4190 4609 6050 8380 9218 10475 12100 18436 20950 23045 41900 46090 50699 92180 101398 115225 175561 202796 230450 253495 351122 460900 506990 702244 877805 1013980 1267475 1755610 1931171 2534950 3511220 3862342 4389025 5069900 7724684 8778050 9655855 17556100 19311710 21242881 38623420 42485762 48279275 84971524 96558550 106214405 193117100 212428810 424857620 531072025 1062144050 2124288100