Base | Representation |
---|---|
bin | 11000010001000… |
… | …011100110100110 |
3 | 1001101002001200010 |
4 | 120101003212212 |
5 | 1313210440030 |
6 | 104222031050 |
7 | 13042333401 |
oct | 3021034646 |
9 | 1041061603 |
10 | 407124390 |
11 | 1998a1642 |
12 | b4418486 |
13 | 6646730a |
14 | 3c0dad38 |
15 | 25b1e6b0 |
hex | 184439a6 |
407124390 has 16 divisors (see below), whose sum is σ = 977098608. Its totient is φ = 108566496.
The previous prime is 407124371. The next prime is 407124397. The reversal of 407124390 is 93421704.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 13570813 = 407124390 / (4 + 0 + 7 + 1 + 2 + 4 + 3 + 9 + 0).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (407124397) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6785377 + ... + 6785436.
It is an arithmetic number, because the mean of its divisors is an integer number (61068663).
Almost surely, 2407124390 is an apocalyptic number.
407124390 is an abundant number, since it is smaller than the sum of its proper divisors (569974218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
407124390 is a wasteful number, since it uses less digits than its factorization.
407124390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13570823.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 407124390 is about 20177.3236580078. The cubic root of 407124390 is about 741.1549957060.
The spelling of 407124390 in words is "four hundred seven million, one hundred twenty-four thousand, three hundred ninety".
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