Base | Representation |
---|---|
bin | 1011101010001… |
… | …0111110100001 |
3 | 10102000111000000 |
4 | 2322202332201 |
5 | 100004331144 |
6 | 4504050213 |
7 | 1132442400 |
oct | 272427641 |
9 | 112014000 |
10 | 48902049 |
11 | 25670919 |
12 | 14463969 |
13 | a192731 |
14 | 66cd637 |
15 | 445e769 |
hex | 2ea2fa1 |
48902049 has 63 divisors (see below), whose sum is σ = 87657507. Its totient is φ = 27188784.
The previous prime is 48902041. The next prime is 48902107. The reversal of 48902049 is 94020984.
It is a happy number.
The square root of 48902049 is 6993.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 43758225 + 5143824 = 6615^2 + 2268^2 .
It is a tau number, because it is divible by the number of its divisors (63).
It is not a de Polignac number, because 48902049 - 23 = 48902041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (48902041) by changing a digit.
It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1321659 + ... + 1321695.
It is an arithmetic number, because the mean of its divisors is an integer number (1391389).
Almost surely, 248902049 is an apocalyptic number.
48902049 is a gapful number since it is divisible by the number (49) formed by its first and last digit.
48902049 is the 6993-rd square number.
48902049 is the 3497-th centered octagonal number.
It is an amenable number.
48902049 is a deficient number, since it is larger than the sum of its proper divisors (38755458).
48902049 is an frugal number, since it uses more digits than its factorization.
48902049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106 (or 47 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The cubic root of 48902049 is about 365.6865766113.
Multiplying 48902049 by its sum of digits (36), we get a square (1760473764 = 419582).
Multiplying 48902049 by its product of nonzero digits (20736), we get a square (1014032888064 = 10069922).
The spelling of 48902049 in words is "forty-eight million, nine hundred two thousand, forty-nine".
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