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214100140 = 22510705007
BaseRepresentation
bin11001100001011…
…10100010101100
3112220212102011211
430300232202230
5414302201030
633124524204
75206551442
oct1460564254
9486772154
10214100140
11aa943671
125b850664
1335483197
1420612b92
1513be212a
hexcc2e8ac

214100140 has 12 divisors (see below), whose sum is σ = 449610336. Its totient is φ = 85640048.

The previous prime is 214100101. The next prime is 214100141. The reversal of 214100140 is 41001412.

It is a self number, because there is not a number n which added to its sum of digits gives 214100140.

It is not an unprimeable number, because it can be changed into a prime (214100141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5352484 + ... + 5352523.

It is an arithmetic number, because the mean of its divisors is an integer number (37467528).

Almost surely, 2214100140 is an apocalyptic number.

214100140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214100140 is an abundant number, since it is smaller than the sum of its proper divisors (235510196).

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

214100140 is a wasteful number, since it uses less digits than its factorization.

214100140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10705016 (or 10705014 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 214100140 is about 14632.1611527484. The cubic root of 214100140 is about 598.2356874576.

Adding to 214100140 its reverse (41001412), we get a palindrome (255101552).

The spelling of 214100140 in words is "two hundred fourteen million, one hundred thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 10705007 21410014 42820028 53525035 107050070 214100140