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1025472 = 26372109
BaseRepresentation
bin11111010010111000000
31221002200110
43322113000
5230303342
633551320
711500500
oct3722700
91832613
101025472
116404a8
12415540
1329b9b6
141c9a00
15153c9c
hexfa5c0

1025472 has 84 divisors (see below), whose sum is σ = 3185160. Its totient is φ = 290304.

The previous prime is 1025459. The next prime is 1025477. The reversal of 1025472 is 2745201.

1025472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9354 + ... + 9462.

21025472 is an apocalyptic number.

1025472 is a gapful number since it is divisible by the number (12) 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 1025472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592580).

1025472 is an abundant number, since it is smaller than the sum of its proper divisors (2159688).

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

1025472 is a wasteful number, since it uses less digits than its factorization.

1025472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1025472 is about 1012.6559139214. The cubic root of 1025472 is about 100.8419578413.

The spelling of 1025472 in words is "one million, twenty-five thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 109 112 147 168 192 196 218 224 294 327 336 392 436 448 588 654 672 763 784 872 1176 1308 1344 1526 1568 1744 2289 2352 2616 3052 3136 3488 4578 4704 5232 5341 6104 6976 9156 9408 10464 10682 12208 16023 18312 20928 21364 24416 32046 36624 42728 48832 64092 73248 85456 128184 146496 170912 256368 341824 512736 1025472