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1356148 = 221971721
BaseRepresentation
bin101001011000101110100
32112220021201
411023011310
5321344043
645022244
714345533
oct5130564
92486251
101356148
11846992
12554984
13386371
1427431a
151bbc4d
hex14b174

1356148 has 12 divisors (see below), whose sum is σ = 2386692. Its totient is φ = 674240.

The previous prime is 1356143. The next prime is 1356151. The reversal of 1356148 is 8416531.

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 150544 = 1098^2 + 388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356143) 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, 73 + ... + 1648.

It is an arithmetic number, because the mean of its divisors is an integer number (198891).

21356148 is an apocalyptic number.

It is an amenable number.

1356148 is a deficient number, since it is larger than the sum of its proper divisors (1030544).

1356148 is a wasteful number, since it uses less digits than its factorization.

1356148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922 (or 1920 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1356148 is about 1164.5376765051. The cubic root of 1356148 is about 110.6884644406.

The spelling of 1356148 in words is "one million, three hundred fifty-six thousand, one hundred forty-eight".

Divisors: 1 2 4 197 394 788 1721 3442 6884 339037 678074 1356148