Base | Representation |
---|---|
bin | 10111111011110… |
… | …011011010000110 |
3 | 1000222121000012110 |
4 | 113323303122012 |
5 | 1310244144110 |
6 | 103502401450 |
7 | 12644100354 |
oct | 2773633206 |
9 | 1028530173 |
10 | 401553030 |
11 | 19673680a |
12 | b2590286 |
13 | 65266458 |
14 | 3b48a7d4 |
15 | 253bda20 |
hex | 17ef3686 |
401553030 has 64 divisors (see below), whose sum is σ = 1017619200. Its totient is φ = 101128320.
The previous prime is 401553023. The next prime is 401553041. The reversal of 401553030 is 30355104.
It is a super-2 number, since 2×4015530302 = 322489671804361800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 401552988 and 401553006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220825 + ... + 222635.
It is an arithmetic number, because the mean of its divisors is an integer number (15900300).
Almost surely, 2401553030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 401553030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508809600).
401553030 is an abundant number, since it is smaller than the sum of its proper divisors (616066170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
401553030 is a wasteful number, since it uses less digits than its factorization.
401553030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2229.
The product of its (nonzero) digits is 900, while the sum is 21.
The square root of 401553030 is about 20038.7881370107. The cubic root of 401553030 is about 737.7586368557.
The spelling of 401553030 in words is "four hundred one million, five hundred fifty-three thousand, thirty".
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