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1025262 = 232779103
BaseRepresentation
bin11111010010011101110
31221002101200
43322103232
5230302022
633550330
711500050
oct3722356
91832350
101025262
11640327
124153a6
1329b884
141c98d0
15153bac
hexfa4ee

1025262 has 48 divisors (see below), whose sum is σ = 2595840. Its totient is φ = 286416.

The previous prime is 1025261. The next prime is 1025267. The reversal of 1025262 is 2625201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9903 + ... + 10005.

It is an arithmetic number, because the mean of its divisors is an integer number (54080).

21025262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297920).

1025262 is an abundant number, since it is smaller than the sum of its proper divisors (1570578).

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

1025262 is a wasteful number, since it uses less digits than its factorization.

1025262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1025262 is about 1012.5522208755. The cubic root of 1025262 is about 100.8350737734.

The spelling of 1025262 in words is "one million, twenty-five thousand, two hundred sixty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 79 103 126 158 206 237 309 474 553 618 711 721 927 1106 1422 1442 1659 1854 2163 3318 4326 4977 6489 8137 9954 12978 16274 24411 48822 56959 73233 113918 146466 170877 341754 512631 1025262