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49540680 = 2333576553
BaseRepresentation
bin1011110011111…
…0111001001000
310110012221001000
42330332321020
5100140300210
64525455000
71141042320
oct274767110
9113187030
1049540680
1125a67712
1214711460
13a357317
146818280
154538ac0
hex2f3ee48

49540680 has 128 divisors (see below), whose sum is σ = 188755200. Its totient is φ = 11321856.

The previous prime is 49540661. The next prime is 49540681. The reversal of 49540680 is 8604594.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (49540681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4284 + ... + 10836.

It is an arithmetic number, because the mean of its divisors is an integer number (1474650).

Almost surely, 249540680 is an apocalyptic number.

49540680 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 49540680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94377600).

49540680 is an abundant number, since it is smaller than the sum of its proper divisors (139214520).

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

49540680 is a wasteful number, since it uses less digits than its factorization.

49540680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580 (or 6570 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 49540680 is about 7038.5140477234. The cubic root of 49540680 is about 367.2715781691.

The spelling of 49540680 in words is "forty-nine million, five hundred forty thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 84 90 105 108 120 126 135 140 168 180 189 210 216 252 270 280 315 360 378 420 504 540 630 756 840 945 1080 1260 1512 1890 2520 3780 6553 7560 13106 19659 26212 32765 39318 45871 52424 58977 65530 78636 91742 98295 117954 131060 137613 157272 176931 183484 196590 229355 235908 262120 275226 294885 353862 366968 393180 412839 458710 471816 550452 589770 688065 707724 786360 825678 884655 917420 1100904 1179540 1238517 1376130 1415448 1651356 1769310 1834840 2064195 2359080 2477034 2752260 3302712 3538620 4128390 4954068 5504520 6192585 7077240 8256780 9908136 12385170 16513560 24770340 49540680