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8542144 = 261310267
BaseRepresentation
bin100000100101…
…011111000000
3121001222121201
4200211133000
54141322034
6503030544
7132415132
oct40453700
917058551
108542144
114904926
122a3b454
131a01130
1411c5052
15b3b014
hex8257c0

8542144 has 28 divisors (see below), whose sum is σ = 18256504. Its totient is φ = 3942144.

The previous prime is 8542141. The next prime is 8542151. The reversal of 8542144 is 4412458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4302 + ... + 5965.

It is an arithmetic number, because the mean of its divisors is an integer number (652018).

Almost surely, 28542144 is an apocalyptic number.

It is an amenable number.

8542144 is an abundant number, since it is smaller than the sum of its proper divisors (9714360).

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

8542144 is a wasteful number, since it uses less digits than its factorization.

8542144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292 (or 10282 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 8542144 is about 2922.6946470680. The cubic root of 8542144 is about 204.4194879570.

The spelling of 8542144 in words is "eight million, five hundred forty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 10267 20534 41068 82136 133471 164272 266942 328544 533884 657088 1067768 2135536 4271072 8542144