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1025532 = 223261467
BaseRepresentation
bin11111010010111111100
31221002202200
43322113330
5230304112
633551500
711500614
oct3722774
91832680
101025532
11640552
12415590
1329ba31
141c9a44
15153cdc
hexfa5fc

1025532 has 36 divisors (see below), whose sum is σ = 2640456. Its totient is φ = 335520.

The previous prime is 1025513. The next prime is 1025537. The reversal of 1025532 is 2355201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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 (1025537) 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, 1963 + ... + 2429.

It is an arithmetic number, because the mean of its divisors is an integer number (73346).

21025532 is an apocalyptic number.

1025532 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 1025532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320228).

1025532 is an abundant number, since it is smaller than the sum of its proper divisors (1614924).

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

1025532 is a wasteful number, since it uses less digits than its factorization.

1025532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1025532 is about 1012.6855385558. The cubic root of 1025532 is about 100.8439245453.

The spelling of 1025532 in words is "one million, twenty-five thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 61 122 183 244 366 467 549 732 934 1098 1401 1868 2196 2802 4203 5604 8406 16812 28487 56974 85461 113948 170922 256383 341844 512766 1025532