Base | Representation |
---|---|
bin | 1011100111101… |
… | …1001110111101 |
3 | 10101201012200211 |
4 | 2321323032331 |
5 | 44434124021 |
6 | 4500352421 |
7 | 1131163654 |
oct | 271731675 |
9 | 111635624 |
10 | 48739261 |
11 | 2556a58a |
12 | 143a5711 |
13 | a1365cc |
14 | 668a19b |
15 | 442b3e1 |
hex | 2e7b3bd |
48739261 has 4 divisors (see below), whose sum is σ = 48811932. Its totient is φ = 48666592.
The previous prime is 48739247. The next prime is 48739307. The reversal of 48739261 is 16293784.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 48372025 + 367236 = 6955^2 + 606^2 .
It is a cyclic number.
It is not a de Polignac number, because 48739261 - 213 = 48731069 is a prime.
It is a super-2 number, since 2×487392612 = 4751031125652242, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48739661) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35320 + ... + 36673.
It is an arithmetic number, because the mean of its divisors is an integer number (12202983).
Almost surely, 248739261 is an apocalyptic number.
It is an amenable number.
48739261 is a deficient number, since it is larger than the sum of its proper divisors (72671).
48739261 is an equidigital number, since it uses as much as digits as its factorization.
48739261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72670.
The product of its digits is 72576, while the sum is 40.
The square root of 48739261 is about 6981.3509437644. The cubic root of 48739261 is about 365.2803525705.
The spelling of 48739261 in words is "forty-eight million, seven hundred thirty-nine thousand, two hundred sixty-one".
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