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401469 = 3163821
BaseRepresentation
bin1100010000000111101
3202101201020
41202000331
5100321334
612334353
73261315
oct1420075
9671636
10401469
112546a2
121743b9
13110973
14a6445
157de49
hex6203d

401469 has 8 divisors (see below), whose sum is σ = 539232. Its totient is φ = 265680.

The previous prime is 401417. The next prime is 401473. The reversal of 401469 is 964104.

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

It is not a de Polignac number, because 401469 - 27 = 401341 is a prime.

It is a super-2 number, since 2×4014692 = 322354715922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401069) 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, 79 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (67404).

2401469 is an apocalyptic number.

It is an amenable number.

401469 is a deficient number, since it is larger than the sum of its proper divisors (137763).

401469 is a wasteful number, since it uses less digits than its factorization.

401469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 401469 is about 633.6158141966. The cubic root of 401469 is about 73.7707171521.

The spelling of 401469 in words is "four hundred one thousand, four hundred sixty-nine".

Divisors: 1 3 163 489 821 2463 133823 401469