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7120242 = 232449881
BaseRepresentation
bin11011001010010101110010
3111101202010200
4123022111302
53310321432
6412340030
7114343503
oct33122562
914352120
107120242
1140235a8
122474616
131623b7c
14d34baa
15959a7c
hex6ca572

7120242 has 24 divisors (see below), whose sum is σ = 15479100. Its totient is φ = 2365440.

The previous prime is 7120237. The next prime is 7120277. The reversal of 7120242 is 2420217.

It can be written as a sum of positive squares in 2 ways, for example, as 7017201 + 103041 = 2649^2 + 321^2 .

It is a super-2 number, since 2×71202422 = 101395692277128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7642 + ... + 8522.

Almost surely, 27120242 is an apocalyptic number.

7120242 is an abundant number, since it is smaller than the sum of its proper divisors (8358858).

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

7120242 is a wasteful number, since it uses less digits than its factorization.

7120242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 7120242 is about 2668.3781591071. The cubic root of 7120242 is about 192.3822138834.

Adding to 7120242 its reverse (2420217), we get a palindrome (9540459).

The spelling of 7120242 in words is "seven million, one hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 449 881 898 1347 1762 2643 2694 4041 5286 7929 8082 15858 395569 791138 1186707 2373414 3560121 7120242