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2528532 = 223270237
BaseRepresentation
bin1001101001010100010100
311202110111100
421221110110
51121403112
6130110100
730330546
oct11512424
94673440
102528532
1114777a6
12a1b330
136a6b96
1449b696
1534e2dc
hex269514

2528532 has 18 divisors (see below), whose sum is σ = 6391658. Its totient is φ = 842832.

The previous prime is 2528531. The next prime is 2528557. The reversal of 2528532 is 2358252.

It can be written as a sum of positive squares in only one way, i.e., 2452356 + 76176 = 1566^2 + 276^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2528496 and 2528505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35083 + ... + 35154.

22528532 is an apocalyptic number.

It is an amenable number.

2528532 is an abundant number, since it is smaller than the sum of its proper divisors (3863126).

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

2528532 is a wasteful number, since it uses less digits than its factorization.

2528532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70247 (or 70242 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2528532 is about 1590.1358432537. The cubic root of 2528532 is about 136.2352473997.

The spelling of 2528532 in words is "two million, five hundred twenty-eight thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 70237 140474 210711 280948 421422 632133 842844 1264266 2528532