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49636680 = 23351273257
BaseRepresentation
bin1011110101011…
…0010101001000
310110101210201120
42331112111020
5100201333210
64531515240
71141622232
oct275262510
9113353646
1049636680
1126022855
1214758b20
13a38bc22
146841252
154557270
hex2f56548

49636680 has 64 divisors (see below), whose sum is σ = 150128640. Its totient is φ = 13128192.

The previous prime is 49636679. The next prime is 49636693. The reversal of 49636680 is 8663694.

49636680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 13612 + ... + 16868.

It is an arithmetic number, because the mean of its divisors is an integer number (2345760).

Almost surely, 249636680 is an apocalyptic number.

49636680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49636680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75064320).

49636680 is an abundant number, since it is smaller than the sum of its proper divisors (100491960).

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

49636680 is a wasteful number, since it uses less digits than its factorization.

49636680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398 (or 3394 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 49636680 is about 7045.3303684071. The cubic root of 49636680 is about 367.5086582254.

The spelling of 49636680 in words is "forty-nine million, six hundred thirty-six thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 127 254 381 508 635 762 1016 1270 1524 1905 2540 3048 3257 3810 5080 6514 7620 9771 13028 15240 16285 19542 26056 32570 39084 48855 65140 78168 97710 130280 195420 390840 413639 827278 1240917 1654556 2068195 2481834 3309112 4136390 4963668 6204585 8272780 9927336 12409170 16545560 24818340 49636680