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4997620 = 225249881
BaseRepresentation
bin10011000100000111110100
3100101220110001
4103010013310
52234410440
6255041044
760323215
oct23040764
910356401
104997620
112903871
121810184
13105c994
1494140c
1568ab9a
hex4c41f4

4997620 has 12 divisors (see below), whose sum is σ = 10495044. Its totient is φ = 1999040.

The previous prime is 4997611. The next prime is 4997621. The reversal of 4997620 is 267994.

It can be written as a sum of positive squares in 2 ways, for example, as 2842596 + 2155024 = 1686^2 + 1468^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4997620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4997621) 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, 124921 + ... + 124960.

It is an arithmetic number, because the mean of its divisors is an integer number (874587).

Almost surely, 24997620 is an apocalyptic number.

It is an amenable number.

4997620 is an abundant number, since it is smaller than the sum of its proper divisors (5497424).

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

4997620 is a wasteful number, since it uses less digits than its factorization.

4997620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249890 (or 249888 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 4997620 is about 2235.5357299762. The cubic root of 4997620 is about 170.9704587433.

The spelling of 4997620 in words is "four million, nine hundred ninety-seven thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 249881 499762 999524 1249405 2498810 4997620