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6628030 = 252572579
BaseRepresentation
bin11001010010001010111110
3110110201221121
4121102022332
53144044110
6354021154
7110223463
oct31221276
913421847
106628030
113817812
1222777ba
1314b0b16
14c4766a
158adcda
hex6522be

6628030 has 16 divisors (see below), whose sum is σ = 11981520. Its totient is φ = 2639872.

The previous prime is 6628007. The next prime is 6628033. The reversal of 6628030 is 308266.

It is a junction number, because it is equal to n+sod(n) for n = 6627986 and 6628004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6628033) 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, 1281 + ... + 3859.

It is an arithmetic number, because the mean of its divisors is an integer number (748845).

Almost surely, 26628030 is an apocalyptic number.

6628030 is a deficient number, since it is larger than the sum of its proper divisors (5353490).

6628030 is a wasteful number, since it uses less digits than its factorization.

6628030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6628030 is about 2574.4960671945. The cubic root of 6628030 is about 187.8429161667.

The spelling of 6628030 in words is "six million, six hundred twenty-eight thousand, thirty".

Divisors: 1 2 5 10 257 514 1285 2570 2579 5158 12895 25790 662803 1325606 3314015 6628030