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8242506 = 233152639
BaseRepresentation
bin11111011100010101001010
3120111202121000
4133130111022
54102230011
6452355430
7130026426
oct37342512
916452530
108242506
11471a798
122915b76
13192792c
141147b86
15acc356
hex7dc54a

8242506 has 16 divisors (see below), whose sum is σ = 18316800. Its totient is φ = 2747484.

The previous prime is 8242469. The next prime is 8242519. The reversal of 8242506 is 6052428.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 8242506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76266 + ... + 76373.

It is an arithmetic number, because the mean of its divisors is an integer number (1144800).

Almost surely, 28242506 is an apocalyptic number.

8242506 is an abundant number, since it is smaller than the sum of its proper divisors (10074294).

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

8242506 is a wasteful number, since it uses less digits than its factorization.

8242506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152650 (or 152644 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 8242506 is about 2870.9764889319. The cubic root of 8242506 is about 202.0008005719. Note that the first 3 decimals are identical.

The spelling of 8242506 in words is "eight million, two hundred forty-two thousand, five hundred six".

Divisors: 1 2 3 6 9 18 27 54 152639 305278 457917 915834 1373751 2747502 4121253 8242506