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11528490 = 235571673
BaseRepresentation
bin101011111110…
…100100101010
3210200201010010
4223332210222
510422402430
61051032350
7166663521
oct53764452
923621103
1011528490
116564586
123a3b6b6
1325084bc
1417614b8
15102acb0
hexafe92a

11528490 has 32 divisors (see below), whose sum is σ = 27758016. Its totient is φ = 3064320.

The previous prime is 11528479. The next prime is 11528519. The reversal of 11528490 is 9482511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16794 + ... + 17466.

It is an arithmetic number, because the mean of its divisors is an integer number (867438).

Almost surely, 211528490 is an apocalyptic number.

11528490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11528490 is an abundant number, since it is smaller than the sum of its proper divisors (16229526).

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

11528490 is a wasteful number, since it uses less digits than its factorization.

11528490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 11528490 is about 3395.3630144655. The cubic root of 11528490 is about 225.9041152232.

The spelling of 11528490 in words is "eleven million, five hundred twenty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 571 673 1142 1346 1713 2019 2855 3365 3426 4038 5710 6730 8565 10095 17130 20190 384283 768566 1152849 1921415 2305698 3842830 5764245 11528490