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201420102 = 231319135911
BaseRepresentation
bin11000000000101…
…10110101000110
3112001000012102210
430000112311012
5403030420402
631553044250
74664020422
oct1400266506
9461005383
10201420102
11a37729a4
1257556686
13329637c0
141ca71b82
1512a3a06c
hexc016d46

201420102 has 32 divisors (see below), whose sum is σ = 456664320. Its totient is φ = 58713120.

The previous prime is 201420101. The next prime is 201420103. The reversal of 201420102 is 201024102.

It is an interprime number because it is at equal distance from previous prime (201420101) and next prime (201420103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201420101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66474 + ... + 69437.

It is an arithmetic number, because the mean of its divisors is an integer number (14270760).

Almost surely, 2201420102 is an apocalyptic number.

201420102 is an abundant number, since it is smaller than the sum of its proper divisors (255244218).

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

201420102 is a wasteful number, since it uses less digits than its factorization.

201420102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135948.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 201420102 is about 14192.2550005276. The cubic root of 201420102 is about 586.1844189638.

Adding to 201420102 its reverse (201024102), we get a palindrome (402444204).

The spelling of 201420102 in words is "two hundred one million, four hundred twenty thousand, one hundred two".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 135911 271822 407733 815466 1766843 2582309 3533686 5164618 5300529 7746927 10601058 15493854 33570017 67140034 100710051 201420102