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1390948 = 2213231163
BaseRepresentation
bin101010011100101100100
32121200000121
411103211210
5324002243
645451324
714552146
oct5234544
92550017
101390948
11870049
12570b44
13399160
14282c96
151c71ed
hex153964

1390948 has 24 divisors (see below), whose sum is σ = 2737728. Its totient is φ = 613536.

The previous prime is 1390937. The next prime is 1390967. The reversal of 1390948 is 8490931.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615 + ... + 1777.

It is an arithmetic number, because the mean of its divisors is an integer number (114072).

21390948 is an apocalyptic number.

It is an amenable number.

1390948 is a deficient number, since it is larger than the sum of its proper divisors (1346780).

1390948 is a wasteful number, since it uses less digits than its factorization.

1390948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1390948 is about 1179.3845852817. The cubic root of 1390948 is about 111.6272685943.

The spelling of 1390948 in words is "one million, three hundred ninety thousand, nine hundred forty-eight".

Divisors: 1 2 4 13 23 26 46 52 92 299 598 1163 1196 2326 4652 15119 26749 30238 53498 60476 106996 347737 695474 1390948