Base | Representation |
---|---|
bin | 1011110001110… |
… | …1111001011010 |
3 | 10102222001122110 |
4 | 2330131321122 |
5 | 100121434110 |
6 | 4522533150 |
7 | 1136640306 |
oct | 274357132 |
9 | 112861573 |
10 | 49405530 |
11 | 25985119 |
12 | 146671b6 |
13 | a30a955 |
14 | 67c0d06 |
15 | 450da20 |
hex | 2f1de5a |
49405530 has 32 divisors (see below), whose sum is σ = 118879488. Its totient is φ = 13140800.
The previous prime is 49405511. The next prime is 49405549. The reversal of 49405530 is 3550494.
It is an interprime number because it is at equal distance from previous prime (49405511) and next prime (49405549).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11020 + ... + 14840.
It is an arithmetic number, because the mean of its divisors is an integer number (3714984).
Almost surely, 249405530 is an apocalyptic number.
49405530 is an abundant number, since it is smaller than the sum of its proper divisors (69473958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49405530 is a wasteful number, since it uses less digits than its factorization.
49405530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4262.
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 49405530 is about 7028.9067428726. The cubic root of 49405530 is about 366.9372942386.
The spelling of 49405530 in words is "forty-nine million, four hundred five thousand, five hundred thirty".
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