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2552620 = 225718233
BaseRepresentation
bin1001101111001100101100
311210200112111
421233030230
51123140440
6130413404
730461020
oct11571454
94720474
102552620
111493904
12a31264
136b4b35
144a6380
153564ea
hex26f32c

2552620 has 24 divisors (see below), whose sum is σ = 6126624. Its totient is φ = 875136.

The previous prime is 2552611. The next prime is 2552621. The reversal of 2552620 is 262552.

It is a junction number, because it is equal to n+sod(n) for n = 2552591 and 2552600.

It is not an unprimeable number, because it can be changed into a prime (2552621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8977 + ... + 9256.

It is an arithmetic number, because the mean of its divisors is an integer number (255276).

22552620 is an apocalyptic number.

2552620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2552620 is an abundant number, since it is smaller than the sum of its proper divisors (3574004).

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

2552620 is a wasteful number, since it uses less digits than its factorization.

2552620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18249 (or 18247 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2552620 is about 1597.6920854783. The cubic root of 2552620 is about 136.6664948111. Note that the first 3 decimals are identical.

The spelling of 2552620 in words is "two million, five hundred fifty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 18233 36466 72932 91165 127631 182330 255262 364660 510524 638155 1276310 2552620