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20298627 = 332332687
BaseRepresentation
bin100110101101…
…1101110000011
31102012021111000
41031123232003
520144024002
62003023043
7334351446
oct115335603
942167430
1020298627
1110504728
12696aa83
13428932b
1429a565d
151bae61c
hex135bb83

20298627 has 16 divisors (see below), whose sum is σ = 31380480. Its totient is φ = 12943656.

The previous prime is 20298613. The next prime is 20298643. The reversal of 20298627 is 72689202.

20298627 is a `hidden beast` number, since 2 + 0 + 29 + 8 + 627 = 666.

It is not a de Polignac number, because 20298627 - 24 = 20298611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20298591 and 20298600.

It is not an unprimeable number, because it can be changed into a prime (20298667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15723 + ... + 16964.

It is an arithmetic number, because the mean of its divisors is an integer number (1961280).

Almost surely, 220298627 is an apocalyptic number.

20298627 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20298627 is a deficient number, since it is larger than the sum of its proper divisors (11081853).

20298627 is a wasteful number, since it uses less digits than its factorization.

20298627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32719 (or 32713 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 20298627 is about 4505.3997602876. The cubic root of 20298627 is about 272.7860901325.

The spelling of 20298627 in words is "twenty million, two hundred ninety-eight thousand, six hundred twenty-seven".

Divisors: 1 3 9 23 27 69 207 621 32687 98061 294183 751801 882549 2255403 6766209 20298627