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1954228050 = 232524439803
BaseRepresentation
bin111010001111011…
…0010011101010010
312001012020001220200
41310132302131102
513000240244200
6521525520030
766266443605
oct16436623522
95035201820
101954228050
11913124505
12466573016
13251b3c578
1414778233c
15b6870800
hex747b2752

1954228050 has 72 divisors (see below), whose sum is σ = 5262747984. Its totient is φ = 519898080.

The previous prime is 1954228037. The next prime is 1954228079. The reversal of 1954228050 is 508224591.

It is a super-3 number, since 3×19542280503 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1954227996 and 1954228014.

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 35 ways as a sum of consecutive naturals, for example, 194449 + ... + 204251.

It is an arithmetic number, because the mean of its divisors is an integer number (73093722).

Almost surely, 21954228050 is an apocalyptic number.

1954228050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1954228050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2631373992).

1954228050 is an abundant number, since it is smaller than the sum of its proper divisors (3308519934).

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

1954228050 is a wasteful number, since it uses less digits than its factorization.

1954228050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10264 (or 10256 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1954228050 is about 44206.6516488186. The cubic root of 1954228050 is about 1250.2352730478.

The spelling of 1954228050 in words is "one billion, nine hundred fifty-four million, two hundred twenty-eight thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 443 450 886 1329 2215 2658 3987 4430 6645 7974 9803 11075 13290 19606 19935 22150 29409 33225 39870 49015 58818 66450 88227 98030 99675 147045 176454 199350 245075 294090 441135 490150 735225 882270 1470450 2205675 4342729 4411350 8685458 13028187 21713645 26056374 39084561 43427290 65140935 78169122 108568225 130281870 195422805 217136450 325704675 390845610 651409350 977114025 1954228050