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20107000 = 235320107
BaseRepresentation
bin100110010110…
…0111011111000
31101211112121201
41030230323320
520121411000
61554543544
7332622664
oct114547370
941745551
1020107000
1110393761
126897bb4
134220044
1429558a4
151b7296a
hex132cef8

20107000 has 32 divisors (see below), whose sum is σ = 47052720. Its totient is φ = 8042400.

The previous prime is 20106973. The next prime is 20107007. The reversal of 20107000 is 70102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20107007) 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, 9054 + ... + 11053.

Almost surely, 220107000 is an apocalyptic number.

20107000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20107000 is an abundant number, since it is smaller than the sum of its proper divisors (26945720).

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

20107000 is a wasteful number, since it uses less digits than its factorization.

20107000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20128 (or 20114 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 20107000 is about 4484.0829608739. The cubic root of 20107000 is about 271.9249720976.

Adding to 20107000 its reverse (70102), we get a palindrome (20177102).

The spelling of 20107000 in words is "twenty million, one hundred seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 20107 40214 80428 100535 160856 201070 402140 502675 804280 1005350 2010700 2513375 4021400 5026750 10053500 20107000