Base | Representation |
---|---|
bin | 1011110010000… |
… | …1000100100010 |
3 | 10102222201110221 |
4 | 2330201010202 |
5 | 100122343110 |
6 | 4523113254 |
7 | 1140023230 |
oct | 274410442 |
9 | 112881427 |
10 | 49418530 |
11 | 25993967 |
12 | 1467282a |
13 | a313845 |
14 | 67c5950 |
15 | 45127da |
hex | 2f21122 |
49418530 has 64 divisors (see below), whose sum is σ = 106106112. Its totient is φ = 16220160.
The previous prime is 49418519. The next prime is 49418533. The reversal of 49418530 is 3581494.
49418530 is nontrivially palindromic in base 6.
It is a super-2 number, since 2×494185302 = 4884382214721800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49418533) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192162 + ... + 192418.
It is an arithmetic number, because the mean of its divisors is an integer number (1657908).
Almost surely, 249418530 is an apocalyptic number.
49418530 is the 5740-th pentagonal number.
49418530 is an abundant number, since it is smaller than the sum of its proper divisors (56687582).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49418530 is a wasteful number, since it uses less digits than its factorization.
49418530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379.
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 49418530 is about 7029.8314346789. The cubic root of 49418530 is about 366.9694752953.
The spelling of 49418530 in words is "forty-nine million, four hundred eighteen thousand, five hundred thirty".
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