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421113133 = 7271221989
BaseRepresentation
bin11001000110011…
…010110100101101
31002100101202121201
4121012122310231
51330301110013
6105441525501
713302255040
oct3106326455
91070352551
10421113133
111a6786591
12b9043891
136932458c
143dcdcc57
1526e843dd
hex1919ad2d

421113133 has 8 divisors (see below), whose sum is σ = 483050240. Its totient is φ = 359620560.

The previous prime is 421113127. The next prime is 421113139. The reversal of 421113133 is 331311124.

It is an interprime number because it is at equal distance from previous prime (421113127) and next prime (421113139).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421113133 - 25 = 421113101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421113133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421113139) 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, 109098 + ... + 112891.

It is an arithmetic number, because the mean of its divisors is an integer number (60381280).

Almost surely, 2421113133 is an apocalyptic number.

It is an amenable number.

421113133 is a deficient number, since it is larger than the sum of its proper divisors (61937107).

421113133 is a wasteful number, since it uses less digits than its factorization.

421113133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222267.

The product of its digits is 216, while the sum is 19.

The square root of 421113133 is about 20521.0412260197. The cubic root of 421113133 is about 749.5482512113.

Adding to 421113133 its reverse (331311124), we get a palindrome (752424257).

The spelling of 421113133 in words is "four hundred twenty-one million, one hundred thirteen thousand, one hundred thirty-three".

Divisors: 1 7 271 1897 221989 1553923 60159019 421113133