Search a number
-
+
1948536 = 23343197
BaseRepresentation
bin111011011101101111000
310122222220000
413123231320
5444323121
6105433000
722363602
oct7335570
93588800
101948536
111110a67
1279b760
13532ba5
1438a172
15287526
hex1dbb78

1948536 has 80 divisors (see below), whose sum is σ = 5691840. Its totient is φ = 622080.

The previous prime is 1948519. The next prime is 1948549. The reversal of 1948536 is 6358491.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 1 + 92 + 49 + 8 + 53 + 38 + 68 .

It is a self number, because there is not a number n which added to its sum of digits gives 1948536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20040 + ... + 20136.

It is an arithmetic number, because the mean of its divisors is an integer number (71148).

21948536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1948536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2845920).

1948536 is an abundant number, since it is smaller than the sum of its proper divisors (3743304).

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

1948536 is a wasteful number, since it uses less digits than its factorization.

1948536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 133 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1948536 is about 1395.8997098646. The cubic root of 1948536 is about 124.9020245599.

The spelling of 1948536 in words is "one million, nine hundred forty-eight thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 81 93 97 108 124 162 186 194 216 248 279 291 324 372 388 558 582 648 744 776 837 873 1116 1164 1674 1746 2232 2328 2511 2619 3007 3348 3492 5022 5238 6014 6696 6984 7857 9021 10044 10476 12028 15714 18042 20088 20952 24056 27063 31428 36084 54126 62856 72168 81189 108252 162378 216504 243567 324756 487134 649512 974268 1948536