Base | Representation |
---|---|
bin | 1011101101010… |
… | …1101011011101 |
3 | 10102102000212201 |
4 | 2323111223131 |
5 | 100033002400 |
6 | 4512331501 |
7 | 1134266020 |
oct | 273255335 |
9 | 112360781 |
10 | 49109725 |
11 | 257a2955 |
12 | 14543b91 |
13 | a236112 |
14 | 67451b7 |
15 | 44a106a |
hex | 2ed5add |
49109725 has 12 divisors (see below), whose sum is σ = 69595744. Its totient is φ = 33675120.
The previous prime is 49109707. The next prime is 49109743. The reversal of 49109725 is 52790194.
It is an interprime number because it is at equal distance from previous prime (49109707) and next prime (49109743).
It is not a de Polignac number, because 49109725 - 27 = 49109597 is a prime.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140139 + ... + 140488.
Almost surely, 249109725 is an apocalyptic number.
It is an amenable number.
49109725 is a deficient number, since it is larger than the sum of its proper divisors (20486019).
49109725 is a wasteful number, since it uses less digits than its factorization.
49109725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280644 (or 280639 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 37.
The square root of 49109725 is about 7007.8331173052. The cubic root of 49109725 is about 366.2035084086.
The spelling of 49109725 in words is "forty-nine million, one hundred nine thousand, seven hundred twenty-five".
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