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2201400421 = 11533775987
BaseRepresentation
bin1000001100110110…
…1011010001100101
312200102022201122221
42003031223101211
514002024303141
61002235352341
7105360411013
oct20315532145
95612281587
102201400421
11a2a6a67a0
125152b26b1
13291101bcc
1416c5238b3
15cd3e6bd1
hex8336b465

2201400421 has 8 divisors (see below), whose sum is σ = 2446840224. Its totient is φ = 1963512720.

The previous prime is 2201400371. The next prime is 2201400497. The reversal of 2201400421 is 1240041022.

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 2201400421 - 27 = 2201400293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201400395 and 2201400404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201400221) 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, 1887411 + ... + 1888576.

It is an arithmetic number, because the mean of its divisors is an integer number (305855028).

Almost surely, 22201400421 is an apocalyptic number.

It is an amenable number.

2201400421 is a deficient number, since it is larger than the sum of its proper divisors (245439803).

2201400421 is a wasteful number, since it uses less digits than its factorization.

2201400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776051.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2201400421 is about 46919.0837613012. The cubic root of 2201400421 is about 1300.8673543124.

Adding to 2201400421 its reverse (1240041022), we get a palindrome (3441441443).

The spelling of 2201400421 in words is "two billion, two hundred one million, four hundred thousand, four hundred twenty-one".

Divisors: 1 11 53 583 3775987 41535857 200127311 2201400421