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1025136 = 24347113
BaseRepresentation
bin11111010010001110000
31221002020000
43322101300
5230301021
633550000
711466510
oct3722160
91832200
101025136
11640222
12415300
1329b7b8
141c9840
15153b26
hexfa470

1025136 has 100 divisors (see below), whose sum is σ = 3420912. Its totient is φ = 290304.

The previous prime is 1025119. The next prime is 1025137. The reversal of 1025136 is 6315201.

1025136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025137) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9016 + ... + 9128.

21025136 is an apocalyptic number.

1025136 is a gapful number since it is divisible by the number (16) 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 1025136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710456).

1025136 is an abundant number, since it is smaller than the sum of its proper divisors (2395776).

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

1025136 is a wasteful number, since it uses less digits than its factorization.

1025136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1025136 is about 1012.4899999506. The cubic root of 1025136 is about 100.8309428814.

The spelling of 1025136 in words is "one million, twenty-five thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 113 126 144 162 168 189 216 226 252 324 336 339 378 432 452 504 567 648 678 756 791 904 1008 1017 1134 1296 1356 1512 1582 1808 2034 2268 2373 2712 3024 3051 3164 4068 4536 4746 5424 6102 6328 7119 8136 9072 9153 9492 12204 12656 14238 16272 18306 18984 21357 24408 28476 36612 37968 42714 48816 56952 64071 73224 85428 113904 128142 146448 170856 256284 341712 512568 1025136