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7482740 = 225374137
BaseRepresentation
bin11100100010110101110100
3112002011101112
4130202311310
53403421430
6424214152
7120413366
oct34426564
915064345
107482740
114250991
12260a358
13171cb75
14dcad36
159cc195
hex722d74

7482740 has 12 divisors (see below), whose sum is σ = 15713796. Its totient is φ = 2993088.

The previous prime is 7482733. The next prime is 7482743. The reversal of 7482740 is 472847.

It can be written as a sum of positive squares in 2 ways, for example, as 784996 + 6697744 = 886^2 + 2588^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7482697 and 7482706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7482743) 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, 187049 + ... + 187088.

It is an arithmetic number, because the mean of its divisors is an integer number (1309483).

Almost surely, 27482740 is an apocalyptic number.

It is an amenable number.

7482740 is an abundant number, since it is smaller than the sum of its proper divisors (8231056).

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

7482740 is a wasteful number, since it uses less digits than its factorization.

7482740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374146 (or 374144 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 7482740 is about 2735.4597419812. The cubic root of 7482740 is about 195.5931098006.

The spelling of 7482740 in words is "seven million, four hundred eighty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 374137 748274 1496548 1870685 3741370 7482740