Base | Representation |
---|---|
bin | 1011111010111… |
… | …0111001101110 |
3 | 10111002020101020 |
4 | 2332232321232 |
5 | 100244440340 |
6 | 4543355010 |
7 | 1144663023 |
oct | 276567156 |
9 | 114066336 |
10 | 49999470 |
11 | 26250384 |
12 | 148b2a66 |
13 | a4880b1 |
14 | 68d754a |
15 | 45c99d0 |
hex | 2faee6e |
49999470 has 64 divisors (see below), whose sum is σ = 126157824. Its totient is φ = 12657920.
The previous prime is 49999463. The next prime is 49999471. The reversal of 49999470 is 7499994.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49999471) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160615 + ... + 160925.
It is an arithmetic number, because the mean of its divisors is an integer number (1971216).
Almost surely, 249999470 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49999470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63078912).
49999470 is an abundant number, since it is smaller than the sum of its proper divisors (76158354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49999470 is a wasteful number, since it uses less digits than its factorization.
49999470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 577.
The product of its (nonzero) digits is 734832, while the sum is 51.
The square root of 49999470 is about 7071.0303351068. The cubic root of 49999470 is about 368.4018481683.
The spelling of 49999470 in words is "forty-nine million, nine hundred ninety-nine thousand, four hundred seventy".
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