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421271255 = 5292905319
BaseRepresentation
bin11001000111000…
…001011011010111
31002100200210112002
4121013001123113
51330321140010
6105445145515
713303514036
oct3107013327
91070623462
10421271255
111a6884369
12b90bb29b
136937b542
143dd4071d
1526eb61a5
hex191c16d7

421271255 has 8 divisors (see below), whose sum is σ = 522957600. Its totient is φ = 325395616.

The previous prime is 421271251. The next prime is 421271267. The reversal of 421271255 is 552172124.

It is a happy number.

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 421271255 - 22 = 421271251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421271251) 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, 1452515 + ... + 1452804.

It is an arithmetic number, because the mean of its divisors is an integer number (65369700).

Almost surely, 2421271255 is an apocalyptic number.

421271255 is a deficient number, since it is larger than the sum of its proper divisors (101686345).

421271255 is a wasteful number, since it uses less digits than its factorization.

421271255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905353.

The product of its digits is 5600, while the sum is 29.

The square root of 421271255 is about 20524.8935441819. The cubic root of 421271255 is about 749.6420543789.

The spelling of 421271255 in words is "four hundred twenty-one million, two hundred seventy-one thousand, two hundred fifty-five".

Divisors: 1 5 29 145 2905319 14526595 84254251 421271255