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8190252 = 2232724643
BaseRepresentation
bin11111001111100100101100
3120102002220200
4133033210230
54044042002
6451313500
7126421200
oct37174454
916362820
108190252
114694504
1228ab890
131909c05
141132b00
15abbb1c
hex7cf92c

8190252 has 54 divisors (see below), whose sum is σ = 24088428. Its totient is φ = 2339568.

The previous prime is 8190233. The next prime is 8190257. The reversal of 8190252 is 2520918.

It is not an unprimeable number, because it can be changed into a prime (8190257) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 558 + ... + 4085.

It is an arithmetic number, because the mean of its divisors is an integer number (446082).

Almost surely, 28190252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8190252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12044214).

8190252 is an abundant number, since it is smaller than the sum of its proper divisors (15898176).

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

8190252 is a wasteful number, since it uses less digits than its factorization.

8190252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667 (or 4655 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8190252 is about 2861.8616318753. The cubic root of 8190252 is about 201.5730287992.

The spelling of 8190252 in words is "eight million, one hundred ninety thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 4643 9286 13929 18572 27858 32501 41787 55716 65002 83574 97503 130004 167148 195006 227507 292509 390012 455014 585018 682521 910028 1170036 1365042 2047563 2730084 4095126 8190252