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49115392 = 281731109
BaseRepresentation
bin1011101101011…
…1000100000000
310102102022122121
42323113010000
5100033143032
64512414024
71134321364
oct273270400
9112368577
1049115392
11257a7137
1214547314
13a238881
1467472a4
1544a2a97
hex2ed7100

49115392 has 36 divisors (see below), whose sum is σ = 98694540. Its totient is φ = 24393728.

The previous prime is 49115387. The next prime is 49115413. The reversal of 49115392 is 29351194.

It can be written as a sum of positive squares in 2 ways, for example, as 20214016 + 28901376 = 4496^2 + 5376^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43734 + ... + 44842.

It is an arithmetic number, because the mean of its divisors is an integer number (2741515).

Almost surely, 249115392 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 49115392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49347270).

49115392 is an abundant number, since it is smaller than the sum of its proper divisors (49579148).

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

49115392 is a wasteful number, since it uses less digits than its factorization.

49115392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1284 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 49115392 is about 7008.2374389000. The cubic root of 49115392 is about 366.2175938433.

The spelling of 49115392 in words is "forty-nine million, one hundred fifteen thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 128 173 256 346 692 1109 1384 2218 2768 4436 5536 8872 11072 17744 22144 35488 44288 70976 141952 191857 283904 383714 767428 1534856 3069712 6139424 12278848 24557696 49115392