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8493740 = 225424687
BaseRepresentation
bin100000011001…
…101010101100
3120222112012222
4200121222230
54133244430
6502014512
7132124043
oct40315254
916875188
108493740
114881522
122a17438
1319b50a8
1411b155a
15b2b9e5
hex819aac

8493740 has 12 divisors (see below), whose sum is σ = 17836896. Its totient is φ = 3397488.

The previous prime is 8493731. The next prime is 8493743. The reversal of 8493740 is 473948.

It is a self number, because there is not a number n which added to its sum of digits gives 8493740.

It is not an unprimeable number, because it can be changed into a prime (8493743) 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, 212324 + ... + 212363.

It is an arithmetic number, because the mean of its divisors is an integer number (1486408).

Almost surely, 28493740 is an apocalyptic number.

It is an amenable number.

8493740 is an abundant number, since it is smaller than the sum of its proper divisors (9343156).

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

8493740 is a wasteful number, since it uses less digits than its factorization.

8493740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424696 (or 424694 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 8493740 is about 2914.4021685416. The cubic root of 8493740 is about 204.0326424761.

The spelling of 8493740 in words is "eight million, four hundred ninety-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 424687 849374 1698748 2123435 4246870 8493740