Base | Representation |
---|---|
bin | 1010000111100… |
… | …0110100001101 |
3 | 2221212001212010 |
4 | 2201320310031 |
5 | 41331003101 |
6 | 4113331433 |
7 | 1023500442 |
oct | 241706415 |
9 | 87761763 |
10 | 42437901 |
11 | 21a56250 |
12 | 12266b79 |
13 | 8a3b3ac |
14 | 58c99c9 |
15 | 3ad42d6 |
hex | 2878d0d |
42437901 has 16 divisors (see below), whose sum is σ = 61867008. Its totient is φ = 25662000.
The previous prime is 42437891. The next prime is 42437903. The reversal of 42437901 is 10973424.
It is a happy number.
It is not a de Polignac number, because 42437901 - 25 = 42437869 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42437903) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16876 + ... + 19226.
It is an arithmetic number, because the mean of its divisors is an integer number (3866688).
Almost surely, 242437901 is an apocalyptic number.
It is an amenable number.
42437901 is a deficient number, since it is larger than the sum of its proper divisors (19429107).
42437901 is a wasteful number, since it uses less digits than its factorization.
42437901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2912.
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 42437901 is about 6514.4378882602. The cubic root of 42437901 is about 348.8065500981.
The spelling of 42437901 in words is "forty-two million, four hundred thirty-seven thousand, nine hundred one".
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