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7113620 = 225379613
BaseRepresentation
bin11011001000101110010100
3111101102001102
4123020232110
53310113440
6412245232
7114315263
oct33105624
914342042
107113620
114019628
122470818
131620b57
14d325da
15957b15
hex6c8b94

7113620 has 24 divisors (see below), whose sum is σ = 15343944. Its totient is φ = 2768256.

The previous prime is 7113611. The next prime is 7113641. The reversal of 7113620 is 263117.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4443664 + 2669956 = 2108^2 + 1634^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 7113592 and 7113601.

It is a congruent number.

It is an unprimeable number.

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, 4067 + ... + 5546.

It is an arithmetic number, because the mean of its divisors is an integer number (639331).

Almost surely, 27113620 is an apocalyptic number.

It is an amenable number.

7113620 is an abundant number, since it is smaller than the sum of its proper divisors (8230324).

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

7113620 is a wasteful number, since it uses less digits than its factorization.

7113620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9659 (or 9657 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 7113620 is about 2667.1370418484. The cubic root of 7113620 is about 192.3225553230.

Adding to 7113620 its reverse (263117), we get a palindrome (7376737).

The spelling of 7113620 in words is "seven million, one hundred thirteen thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 9613 19226 38452 48065 96130 192260 355681 711362 1422724 1778405 3556810 7113620