Base | Representation |
---|---|
bin | 10111111000101… |
… | …001110001011010 |
3 | 1000221001001021120 |
4 | 113320221301122 |
5 | 1310041232010 |
6 | 103432550110 |
7 | 12634060446 |
oct | 2770516132 |
9 | 1027031246 |
10 | 400727130 |
11 | 196222251 |
12 | b2252336 |
13 | 6503755b |
14 | 3b313826 |
15 | 252a8e70 |
hex | 17e29c5a |
400727130 has 16 divisors (see below), whose sum is σ = 961745184. Its totient is φ = 106860560.
The previous prime is 400727113. The next prime is 400727141. The reversal of 400727130 is 31727004.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 400727130.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6678756 + ... + 6678815.
It is an arithmetic number, because the mean of its divisors is an integer number (60109074).
Almost surely, 2400727130 is an apocalyptic number.
400727130 is an abundant number, since it is smaller than the sum of its proper divisors (561018054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
400727130 is a wasteful number, since it uses less digits than its factorization.
400727130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13357581.
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 400727130 is about 20018.1699962809. The cubic root of 400727130 is about 737.2524911085.
The spelling of 400727130 in words is "four hundred million, seven hundred twenty-seven thousand, one hundred thirty".
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