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7240396 = 2217310463
BaseRepresentation
bin11011100111101011001100
3111121211221211
4123213223030
53323143041
6415104204
7115354012
oct33475314
914554854
107240396
1140a58a9
122512064
131666777
14d668b2
15980481
hex6e7acc

7240396 has 12 divisors (see below), whose sum is σ = 12745152. Its totient is φ = 3598928.

The previous prime is 7240393. The next prime is 7240403. The reversal of 7240396 is 6930427.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (7240393) 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, 4540 + ... + 5923.

It is an arithmetic number, because the mean of its divisors is an integer number (1062096).

Almost surely, 27240396 is an apocalyptic number.

It is an amenable number.

7240396 is a deficient number, since it is larger than the sum of its proper divisors (5504756).

7240396 is a wasteful number, since it uses less digits than its factorization.

7240396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10640 (or 10638 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 7240396 is about 2690.7983945290. The cubic root of 7240396 is about 193.4583324294.

Adding to 7240396 its sum of digits (31), we get a palindrome (7240427).

The spelling of 7240396 in words is "seven million, two hundred forty thousand, three hundred ninety-six".

Divisors: 1 2 4 173 346 692 10463 20926 41852 1810099 3620198 7240396