Search a number
-
+
4122444400 = 245243892693
BaseRepresentation
bin1111010110110111…
…1000001001110000
3101122022002212120221
43311231320021300
531420321210100
61521022142424
7204105125224
oct36555701160
911568085527
104122444400
111826015548
12970721a14
135090c3119
142b1708784
15191db001a
hexf5b78270

4122444400 has 120 divisors (see below), whose sum is σ = 10252178640. Its totient is φ = 1591941120.

The previous prime is 4122444379. The next prime is 4122444433. The reversal of 4122444400 is 44442214.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1529454 + ... + 1532146.

It is an arithmetic number, because the mean of its divisors is an integer number (85434822).

Almost surely, 24122444400 is an apocalyptic number.

4122444400 is a gapful number since it is divisible by the number (40) 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 4122444400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5126089320).

4122444400 is an abundant number, since it is smaller than the sum of its proper divisors (6129734240).

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

4122444400 is a wasteful number, since it uses less digits than its factorization.

4122444400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 4122444400 is about 64206.2644918703. The cubic root of 4122444400 is about 1603.4358975983.

Adding to 4122444400 its reverse (44442214), we get a palindrome (4166886614).

The spelling of 4122444400 in words is "four billion, one hundred twenty-two million, four hundred forty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 43 50 80 86 89 100 172 178 200 215 344 356 400 430 445 688 712 860 890 1075 1424 1720 1780 2150 2225 2693 3440 3560 3827 4300 4450 5386 7120 7654 8600 8900 10772 13465 15308 17200 17800 19135 21544 26930 30616 35600 38270 43088 53860 61232 67325 76540 95675 107720 115799 134650 153080 191350 215440 231598 239677 269300 306160 382700 463196 479354 538600 578995 765400 926392 958708 1077200 1157990 1198385 1530800 1852784 1917416 2315980 2396770 2894975 3834832 4631960 4793540 5789950 5991925 9263920 9587080 10306111 11579900 11983850 19174160 20612222 23159800 23967700 41224444 46319600 47935400 51530555 82448888 95870800 103061110 164897776 206122220 257652775 412244440 515305550 824488880 1030611100 2061222200 4122444400