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49831012 = 227111731307
BaseRepresentation
bin1011111000010…
…1110001100100
310110202200022001
42332011301210
5100224043022
64540015044
71143361630
oct276056144
9113680261
1049831012
1126145860
1214831484
13a42950a
146891dc0
154594b27
hex2f85c64

49831012 has 96 divisors (see below), whose sum is σ = 119218176. Its totient is φ = 17625600.

The previous prime is 49831007. The next prime is 49831021. The reversal of 49831012 is 21013894.

49831012 = 3192 + 3202 + ... + 5662.

It is a happy number.

49831012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 162163 + ... + 162469.

It is an arithmetic number, because the mean of its divisors is an integer number (1241856).

Almost surely, 249831012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49831012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59609088).

49831012 is an abundant number, since it is smaller than the sum of its proper divisors (69387164).

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

49831012 is a wasteful number, since it uses less digits than its factorization.

49831012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 49831012 is about 7059.1084422893. The cubic root of 49831012 is about 367.9876433312.

It can be divided in two parts, 4983 and 1012, that added together give a palindrome (5995).

The spelling of 49831012 in words is "forty-nine million, eight hundred thirty-one thousand, twelve".

Divisors: 1 2 4 7 11 14 17 22 28 31 34 44 62 68 77 119 124 154 187 217 238 307 308 341 374 434 476 527 614 682 748 868 1054 1228 1309 1364 2108 2149 2387 2618 3377 3689 4298 4774 5219 5236 5797 6754 7378 8596 9517 9548 10438 11594 13508 14756 19034 20876 23188 23639 36533 38068 40579 47278 57409 66619 73066 81158 94556 104687 114818 133238 146132 161789 162316 209374 229636 266476 323578 401863 418748 647156 732809 803726 1132523 1465618 1607452 1779679 2265046 2931236 3559358 4530092 7118716 12457753 24915506 49831012