Base | Representation |
---|---|
bin | 1011111001100… |
… | …0000101100100 |
3 | 10110220111012010 |
4 | 2332120011210 |
5 | 100233443040 |
6 | 4541354220 |
7 | 1144123413 |
oct | 276300544 |
9 | 113814163 |
10 | 49906020 |
11 | 2619714a |
12 | 14868970 |
13 | a4546b8 |
14 | 68b147a |
15 | 45abe80 |
hex | 2f98164 |
49906020 has 48 divisors (see below), whose sum is σ = 143152128. Its totient is φ = 12983040.
The previous prime is 49905983. The next prime is 49906099. The reversal of 49906020 is 2060994.
It is a super-2 number, since 2×499060202 = 4981221664480800, which contains 22 as substring.
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, 7684 + ... + 12603.
It is an arithmetic number, because the mean of its divisors is an integer number (2982336).
Almost surely, 249906020 is an apocalyptic number.
It is an amenable number.
49906020 is an abundant number, since it is smaller than the sum of its proper divisors (93246108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49906020 is a wasteful number, since it uses less digits than its factorization.
49906020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20340 (or 20338 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 49906020 is about 7064.4192967292. The cubic root of 49906020 is about 368.1721882449.
The spelling of 49906020 in words is "forty-nine million, nine hundred six thousand, twenty".
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