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5120620 = 225256031
BaseRepresentation
bin10011100010001001101100
3100122011011121
4103202021230
52302324440
6301430324
761344631
oct23421154
910564147
105120620
11298821a
12186b3a4
1310a396b
14974188
156b234a
hex4e226c

5120620 has 12 divisors (see below), whose sum is σ = 10753344. Its totient is φ = 2048240.

The previous prime is 5120597. The next prime is 5120629. The reversal of 5120620 is 260215.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5120594 and 5120603.

It is not an unprimeable number, because it can be changed into a prime (5120629) 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, 127996 + ... + 128035.

It is an arithmetic number, because the mean of its divisors is an integer number (896112).

Almost surely, 25120620 is an apocalyptic number.

It is an amenable number.

5120620 is an abundant number, since it is smaller than the sum of its proper divisors (5632724).

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

5120620 is a wasteful number, since it uses less digits than its factorization.

5120620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256040 (or 256038 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5120620 is about 2262.8786975885. The cubic root of 5120620 is about 172.3617319504.

Adding to 5120620 its reverse (260215), we get a palindrome (5380835).

The spelling of 5120620 in words is "five million, one hundred twenty thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 256031 512062 1024124 1280155 2560310 5120620