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1484740 = 225611217
BaseRepresentation
bin101101010011111000100
32210102200101
411222133010
5340002430
651453444
715422455
oct5523704
92712611
101484740
11924564
125b7284
133cca5a
142a912c
151e4dca
hex16a7c4

1484740 has 24 divisors (see below), whose sum is σ = 3171672. Its totient is φ = 583680.

The previous prime is 1484737. The next prime is 1484741. The reversal of 1484740 is 474841.

It can be written as a sum of positive squares in 4 ways, for example, as 6084 + 1478656 = 78^2 + 1216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1484699 and 1484708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1484741) 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 7 ways as a sum of consecutive naturals, for example, 612 + ... + 1828.

It is an arithmetic number, because the mean of its divisors is an integer number (132153).

21484740 is an apocalyptic number.

1484740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1484740 is an abundant number, since it is smaller than the sum of its proper divisors (1686932).

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

1484740 is a wasteful number, since it uses less digits than its factorization.

1484740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 1484740 is about 1218.4990767333. The cubic root of 1484740 is about 114.0819150663.

It can be divided in two parts, 148 and 4740, that multiplied together give a triangular number (701520 = T1184).

The spelling of 1484740 in words is "one million, four hundred eighty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1217 1220 2434 4868 6085 12170 24340 74237 148474 296948 371185 742370 1484740