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1387364 = 221131531
BaseRepresentation
bin101010010101101100100
32121111002212
411102231210
5323343424
645422552
714535536
oct5225544
92544085
101387364
11868390
1256aa58
13397634
14281856
151c610e
hex152b64

1387364 has 12 divisors (see below), whose sum is σ = 2648688. Its totient is φ = 630600.

The previous prime is 1387363. The next prime is 1387367. The reversal of 1387364 is 4637831.

It is a self number, because there is not a number n which added to its sum of digits gives 1387364.

It is not an unprimeable number, because it can be changed into a prime (1387363) 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, 15722 + ... + 15809.

It is an arithmetic number, because the mean of its divisors is an integer number (220724).

21387364 is an apocalyptic number.

It is an amenable number.

1387364 is a deficient number, since it is larger than the sum of its proper divisors (1261324).

1387364 is a wasteful number, since it uses less digits than its factorization.

1387364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31546 (or 31544 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 1387364 is about 1177.8641687393. The cubic root of 1387364 is about 111.5313109596.

The spelling of 1387364 in words is "one million, three hundred eighty-seven thousand, three hundred sixty-four".

Divisors: 1 2 4 11 22 44 31531 63062 126124 346841 693682 1387364