Base | Representation |
---|---|
bin | 1011101101110… |
… | …0001011111100 |
3 | 10102110101102221 |
4 | 2323130023330 |
5 | 100034331010 |
6 | 4513055124 |
7 | 1134436516 |
oct | 273341374 |
9 | 112411387 |
10 | 49136380 |
11 | 25810987 |
12 | 145574a4 |
13 | a2452a7 |
14 | 6750bb6 |
15 | 44a8dda |
hex | 2edc2fc |
49136380 has 24 divisors (see below), whose sum is σ = 104937840. Its totient is φ = 19320960.
The previous prime is 49136377. The next prime is 49136383. The reversal of 49136380 is 8363194.
It is an interprime number because it is at equal distance from previous prime (49136377) and next prime (49136383).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49136383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19641 + ... + 22000.
It is an arithmetic number, because the mean of its divisors is an integer number (4372410).
Almost surely, 249136380 is an apocalyptic number.
It is an amenable number.
49136380 is an abundant number, since it is smaller than the sum of its proper divisors (55801460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49136380 is a wasteful number, since it uses less digits than its factorization.
49136380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41709 (or 41707 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 34.
The square root of 49136380 is about 7009.7346597428. The cubic root of 49136380 is about 366.2697504754.
The spelling of 49136380 in words is "forty-nine million, one hundred thirty-six thousand, three hundred eighty".
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