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1485940 = 22574297
BaseRepresentation
bin101101010110001110100
32210111022211
411222301310
5340022230
651503204
715426121
oct5526164
92714284
101485940
11925455
125b7b04
13400471
142a9748
151e542a
hex16ac74

1485940 has 12 divisors (see below), whose sum is σ = 3120516. Its totient is φ = 594368.

The previous prime is 1485937. The next prime is 1485947. The reversal of 1485940 is 495841.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 976144 + 509796 = 988^2 + 714^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37129 + ... + 37168.

It is an arithmetic number, because the mean of its divisors is an integer number (260043).

21485940 is an apocalyptic number.

1485940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1485940 is an abundant number, since it is smaller than the sum of its proper divisors (1634576).

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

1485940 is a wasteful number, since it uses less digits than its factorization.

1485940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74306 (or 74304 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1485940 is about 1218.9913863518. The cubic root of 1485940 is about 114.1126413064.

Subtracting from 1485940 its reverse (495841), we obtain a palindrome (990099).

The spelling of 1485940 in words is "one million, four hundred eighty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 74297 148594 297188 371485 742970 1485940