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1386248 = 231710193
BaseRepresentation
bin101010010011100001000
32121102120112
411102130020
5323324443
645413452
714532353
oct5223410
92542515
101386248
11867566
1256a288
13396c86
1428129a
151c5b18
hex152708

1386248 has 16 divisors (see below), whose sum is σ = 2752380. Its totient is φ = 652288.

The previous prime is 1386239. The next prime is 1386263. The reversal of 1386248 is 8426831.

It can be written as a sum of positive squares in 2 ways, for example, as 1295044 + 91204 = 1138^2 + 302^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4961 + ... + 5232.

21386248 is an apocalyptic number.

It is an amenable number.

1386248 is a deficient number, since it is larger than the sum of its proper divisors (1366132).

1386248 is a wasteful number, since it uses less digits than its factorization.

1386248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216 (or 10212 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 1386248 is about 1177.3903345960. The cubic root of 1386248 is about 111.5013975573.

The spelling of 1386248 in words is "one million, three hundred eighty-six thousand, two hundred forty-eight".

Divisors: 1 2 4 8 17 34 68 136 10193 20386 40772 81544 173281 346562 693124 1386248