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8505532 = 2273141239
BaseRepresentation
bin100000011100…
…100010111100
3121000010101201
4200130202330
54134134112
6502145244
7132203320
oct40344274
917003351
108505532
11488a372
122a22224
1319ba579
1411b5980
15b30257
hex81c8bc

8505532 has 48 divisors (see below), whose sum is σ = 18063360. Its totient is φ = 3427200.

The previous prime is 8505527. The next prime is 8505533. The reversal of 8505532 is 2355058.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 8505532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8505533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35469 + ... + 35707.

It is an arithmetic number, because the mean of its divisors is an integer number (376320).

Almost surely, 28505532 is an apocalyptic number.

8505532 is a gapful number since it is divisible by the number (82) 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 8505532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9031680).

8505532 is an abundant number, since it is smaller than the sum of its proper divisors (9557828).

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

8505532 is a wasteful number, since it uses less digits than its factorization.

8505532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 8505532 is about 2916.4245232819. The cubic root of 8505532 is about 204.1270194475.

The spelling of 8505532 in words is "eight million, five hundred five thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 31 41 62 82 124 164 217 239 287 434 478 574 868 956 1148 1271 1673 2542 3346 5084 6692 7409 8897 9799 14818 17794 19598 29636 35588 39196 51863 68593 103726 137186 207452 274372 303769 607538 1215076 2126383 4252766 8505532