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8140368 = 243169591
BaseRepresentation
bin11111000011011001010000
3120022120111010
4133003121100
54040442433
6450250520
7126122565
oct37033120
916276433
108140368
11465aa85
122886a40
1318c02b2
14111c86c
15aabe63
hex7c3650

8140368 has 20 divisors (see below), whose sum is σ = 21029408. Its totient is φ = 2713440.

The previous prime is 8140361. The next prime is 8140369. The reversal of 8140368 is 8630418.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8140361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84748 + ... + 84843.

Almost surely, 28140368 is an apocalyptic number.

It is an amenable number.

8140368 is an abundant number, since it is smaller than the sum of its proper divisors (12889040).

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

8140368 is a wasteful number, since it uses less digits than its factorization.

8140368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169602 (or 169596 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8140368 is about 2853.1330147752. The cubic root of 8140368 is about 201.1629578711.

The spelling of 8140368 in words is "eight million, one hundred forty thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 169591 339182 508773 678364 1017546 1356728 2035092 2713456 4070184 8140368