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401293797 = 3208164279
BaseRepresentation
bin10111111010110…
…100000111100101
31000222002211121020
4113322310013211
51310212400142
6103453041353
712641640522
oct2772640745
91028084536
10401293797
11196579a73
12b2486259
13651a5468
143b420149
152536bcec
hex17eb41e5

401293797 has 8 divisors (see below), whose sum is σ = 535323840. Its totient is φ = 267396480.

The previous prime is 401293777. The next prime is 401293799. The reversal of 401293797 is 797392104.

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

It is not a de Polignac number, because 401293797 - 220 = 400245221 is a prime.

It is a super-2 number, since 2×4012937972 = 322073423021354418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) 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 (401293799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25897 + ... + 38382.

It is an arithmetic number, because the mean of its divisors is an integer number (66915480).

Almost surely, 2401293797 is an apocalyptic number.

It is an amenable number.

401293797 is a deficient number, since it is larger than the sum of its proper divisors (134030043).

401293797 is a wasteful number, since it uses less digits than its factorization.

401293797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66363.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 401293797 is about 20032.3188123592. The cubic root of 401293797 is about 737.5998429224.

The spelling of 401293797 in words is "four hundred one million, two hundred ninety-three thousand, seven hundred ninety-seven".

Divisors: 1 3 2081 6243 64279 192837 133764599 401293797