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20348712 = 233394207
BaseRepresentation
bin100110110011…
…1111100101000
31102021211012000
41031213330220
520202124322
62004051000
7334650456
oct115477450
942254160
1020348712
111053931a
126993a60
1342a6077
1429b99d6
151bbe3ac
hex1367f28

20348712 has 32 divisors (see below), whose sum is σ = 56524800. Its totient is φ = 6782832.

The previous prime is 20348707. The next prime is 20348717. The reversal of 20348712 is 21784302.

It is an interprime number because it is at equal distance from previous prime (20348707) and next prime (20348717).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20348717) 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, 46888 + ... + 47319.

It is an arithmetic number, because the mean of its divisors is an integer number (1766400).

Almost surely, 220348712 is an apocalyptic number.

It is an amenable number.

20348712 is an abundant number, since it is smaller than the sum of its proper divisors (36176088).

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

20348712 is a wasteful number, since it uses less digits than its factorization.

20348712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94222 (or 94212 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 20348712 is about 4510.9546661433. The cubic root of 20348712 is about 273.0102640749.

The spelling of 20348712 in words is "twenty million, three hundred forty-eight thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 94207 188414 282621 376828 565242 753656 847863 1130484 1695726 2260968 2543589 3391452 5087178 6782904 10174356 20348712