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49836840 = 23353113397
BaseRepresentation
bin1011111000011…
…1001100101000
310110202222021220
42332013030220
5100224234330
64540102040
71143414624
oct276071450
9113688256
1049836840
112614a179
1214834920
13a42c071
146894184
154596710
hex2f87328

49836840 has 64 divisors (see below), whose sum is σ = 154344960. Its totient is φ = 12860160.

The previous prime is 49836821. The next prime is 49836847. The reversal of 49836840 is 4863894.

49836840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49836792 and 49836801.

It is not an unprimeable number, because it can be changed into a prime (49836847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2979 + ... + 10418.

It is an arithmetic number, because the mean of its divisors is an integer number (2411640).

Almost surely, 249836840 is an apocalyptic number.

49836840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49836840 is an abundant number, since it is smaller than the sum of its proper divisors (104508120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49836840 is a wasteful number, since it uses less digits than its factorization.

49836840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442 (or 13438 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 49836840 is about 7059.5212302252. The cubic root of 49836840 is about 368.0019888046.

The spelling of 49836840 in words is "forty-nine million, eight hundred thirty-six thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 13397 26794 40191 53588 66985 80382 107176 133970 160764 200955 267940 321528 401910 415307 535880 803820 830614 1245921 1607640 1661228 2076535 2491842 3322456 4153070 4983684 6229605 8306140 9967368 12459210 16612280 24918420 49836840