Search a number
-
+
283948 = 22710141
BaseRepresentation
bin1000101010100101100
3112102111121
41011110230
533041243
610030324
72261560
oct1052454
9472447
10283948
11184375
121183a4
139c322
14756a0
15591ed
hex4552c

283948 has 12 divisors (see below), whose sum is σ = 567952. Its totient is φ = 121680.

The previous prime is 283937. The next prime is 283949. The reversal of 283948 is 849382.

283948 is an admirable number.

It is a d-powerful number, because it can be written as 210 + 82 + 9 + 39 + 45 + 86 .

It is not an unprimeable number, because it can be changed into a prime (283949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5043 + ... + 5098.

2283948 is an apocalyptic number.

283948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

283948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

283948 is a wasteful number, since it uses less digits than its factorization.

283948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10152 (or 10150 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 283948 is about 532.8677134149. The cubic root of 283948 is about 65.7273724949.

The spelling of 283948 in words is "two hundred eighty-three thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 10141 20282 40564 70987 141974 283948