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283441940 = 22529716883
BaseRepresentation
bin10000111001001…
…111101100010100
3201202100100020122
4100321033230110
51040030120230
644043051112
710011134225
oct2071175424
9652310218
10283441940
11135aa5141
127ab10a98
1346951232
142990324c
1519d3cbe5
hex10e4fb14

283441940 has 48 divisors (see below), whose sum is σ = 624516480. Its totient is φ = 107909760.

The previous prime is 283441909. The next prime is 283442017. The reversal of 283441940 is 49144382.

It is a self number, because there is not a number n which added to its sum of digits gives 283441940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37739 + ... + 44621.

It is an arithmetic number, because the mean of its divisors is an integer number (13010760).

Almost surely, 2283441940 is an apocalyptic number.

283441940 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 283441940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312258240).

283441940 is an abundant number, since it is smaller than the sum of its proper divisors (341074540).

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

283441940 is a wasteful number, since it uses less digits than its factorization.

283441940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992 (or 6990 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 283441940 is about 16835.7340202321. The cubic root of 283441940 is about 656.8830222633.

The spelling of 283441940 in words is "two hundred eighty-three million, four hundred forty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 29 58 71 116 142 145 284 290 355 580 710 1420 2059 4118 6883 8236 10295 13766 20590 27532 34415 41180 68830 137660 199607 399214 488693 798428 977386 998035 1954772 1996070 2443465 3992140 4886930 9773860 14172097 28344194 56688388 70860485 141720970 283441940