Base | Representation |
---|---|
bin | 10111111010101… |
… | …011011111111010 |
3 | 1000222001001011120 |
4 | 113322223133322 |
5 | 1310210232430 |
6 | 103452210110 |
7 | 12641432553 |
oct | 2772533772 |
9 | 1028031146 |
10 | 401258490 |
11 | 196555496 |
12 | b2469936 |
13 | 65192379 |
14 | 3b41132a |
15 | 25361610 |
hex | 17eab7fa |
401258490 has 32 divisors (see below), whose sum is σ = 969494400. Its totient is φ = 106282944.
The previous prime is 401258479. The next prime is 401258509. The reversal of 401258490 is 94852104.
It is a super-2 number, since 2×4012584902 = 322016751594160200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40414 + ... + 49353.
It is an arithmetic number, because the mean of its divisors is an integer number (30296700).
Almost surely, 2401258490 is an apocalyptic number.
401258490 is an abundant number, since it is smaller than the sum of its proper divisors (568235910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
401258490 is a wasteful number, since it uses less digits than its factorization.
401258490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89926.
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 401258490 is about 20031.4375420238. The cubic root of 401258490 is about 737.5782102253.
The spelling of 401258490 in words is "four hundred one million, two hundred fifty-eight thousand, four hundred ninety".
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