Base | Representation |
---|---|
bin | 1011101101000… |
… | …1001110110100 |
3 | 10102101002220000 |
4 | 2323101032310 |
5 | 100031412013 |
6 | 4512111300 |
7 | 1134161634 |
oct | 273211664 |
9 | 112332800 |
10 | 49091508 |
11 | 257901a4 |
12 | 14535530 |
13 | a22aa3b |
14 | 673c6c4 |
15 | 449a973 |
hex | 2ed13b4 |
49091508 has 30 divisors (see below), whose sum is σ = 128335746. Its totient is φ = 16363728.
The previous prime is 49091501. The next prime is 49091513. The reversal of 49091508 is 80519094.
It can be written as a sum of positive squares in only one way, i.e., 49028004 + 63504 = 7002^2 + 252^2 .
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49091501) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 75435 + ... + 76082.
Almost surely, 249091508 is an apocalyptic number.
It is an amenable number.
49091508 is an abundant number, since it is smaller than the sum of its proper divisors (79244238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49091508 is a wasteful number, since it uses less digits than its factorization.
49091508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151533 (or 151522 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 36.
The square root of 49091508 is about 7006.5332369154. The cubic root of 49091508 is about 366.1582223724.
The spelling of 49091508 in words is "forty-nine million, ninety-one thousand, five hundred eight".
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