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2041200421 = 132174911447
BaseRepresentation
bin111100110101010…
…0011111100100101
312021020212201120121
41321222203330211
513140021403141
6534314001541
7101403626431
oct17152437445
95236781517
102041200421
119582280a7
1248b7162b1
13266b71400
141551419c1
15be3001d1
hex79aa3f25

2041200421 has 24 divisors (see below), whose sum is σ = 2346698304. Its totient is φ = 1768515840.

The previous prime is 2041200407. The next prime is 2041200433. The reversal of 2041200421 is 1240021402.

It is not a de Polignac number, because 2041200421 - 211 = 2041198373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2041200395 and 2041200404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041200451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1409920 + ... + 1411366.

It is an arithmetic number, because the mean of its divisors is an integer number (97779096).

Almost surely, 22041200421 is an apocalyptic number.

It is an amenable number.

2041200421 is a deficient number, since it is larger than the sum of its proper divisors (305497883).

2041200421 is a wasteful number, since it uses less digits than its factorization.

2041200421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981 (or 1968 counting only the distinct ones).

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

The square root of 2041200421 is about 45179.6460920180. The cubic root of 2041200421 is about 1268.5138589825.

Adding to 2041200421 its reverse (1240021402), we get a palindrome (3281221823).

The spelling of 2041200421 in words is "two billion, forty-one million, two hundred thousand, four hundred twenty-one".

Divisors: 1 13 17 169 221 491 1447 2873 6383 8347 18811 24599 82979 108511 244543 319787 710477 1410643 4157231 9236201 12078109 120070613 157015417 2041200421