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3242740 = 225281577
BaseRepresentation
bin1100010111101011110100
320002202012111
430113223310
51312231430
6153300404
736364024
oct14275364
96082174
103242740
111915356
121104704
13896ca7
14605a84
15440c2a
hex317af4

3242740 has 24 divisors (see below), whose sum is σ = 6845832. Its totient is φ = 1290240.

The previous prime is 3242689. The next prime is 3242741. The reversal of 3242740 is 472423.

It can be written as a sum of positive squares in 4 ways, for example, as 1547536 + 1695204 = 1244^2 + 1302^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3242741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5332 + ... + 5908.

It is an arithmetic number, because the mean of its divisors is an integer number (285243).

Almost surely, 23242740 is an apocalyptic number.

It is an amenable number.

3242740 is an abundant number, since it is smaller than the sum of its proper divisors (3603092).

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

3242740 is a wasteful number, since it uses less digits than its factorization.

3242740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 3242740 is about 1800.7609502652. The cubic root of 3242740 is about 148.0144251827.

The spelling of 3242740 in words is "three million, two hundred forty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 281 562 577 1124 1154 1405 2308 2810 2885 5620 5770 11540 162137 324274 648548 810685 1621370 3242740