Base | Representation |
---|---|
bin | 10111111010101… |
… | …010101011101111 |
3 | 1000222000212120220 |
4 | 113322222223233 |
5 | 1310210131101 |
6 | 103452142423 |
7 | 12641420043 |
oct | 2772525357 |
9 | 1028025526 |
10 | 401255151 |
11 | 196552a30 |
12 | b2467a13 |
13 | 651909ab |
14 | 3b410023 |
15 | 25360636 |
hex | 17eaaaef |
401255151 has 32 divisors (see below), whose sum is σ = 606445056. Its totient is φ = 233856000.
The previous prime is 401255149. The next prime is 401255159. The reversal of 401255151 is 151552104.
It is not a de Polignac number, because 401255151 - 21 = 401255149 is a prime.
It is a super-2 number, since 2×4012551512 = 322011392408065602, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (401255159) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93975 + ... + 98151.
It is an arithmetic number, because the mean of its divisors is an integer number (18951408).
Almost surely, 2401255151 is an apocalyptic number.
401255151 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
401255151 is a deficient number, since it is larger than the sum of its proper divisors (205189905).
401255151 is a wasteful number, since it uses less digits than its factorization.
401255151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4303.
The product of its (nonzero) digits is 1000, while the sum is 24.
The square root of 401255151 is about 20031.3541978569. The cubic root of 401255151 is about 737.5761643450.
It can be divided in two parts, 401 and 255151, that added together give a palindrome (255552).
The spelling of 401255151 in words is "four hundred one million, two hundred fifty-five thousand, one hundred fifty-one".
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