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50541040 = 2451179727
BaseRepresentation
bin1100000011001…
…1000111110000
310112002202021101
43000303013300
5100414303130
65003134144
71152406654
oct300630760
9115082241
1050541040
1126590260
1214b14354
13a617754
1469d8a64
1546851ca
hex30331f0

50541040 has 80 divisors (see below), whose sum is σ = 129991680. Its totient is φ = 18120960.

The previous prime is 50541031. The next prime is 50541061. The reversal of 50541040 is 4014505.

It is a tau number, because it is divible by the number of its divisors (80).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 50540999 and 50541017.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 69157 + ... + 69883.

It is an arithmetic number, because the mean of its divisors is an integer number (1624896).

Almost surely, 250541040 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 50541040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64995840).

50541040 is an abundant number, since it is smaller than the sum of its proper divisors (79450640).

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

50541040 is a wasteful number, since it uses less digits than its factorization.

50541040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 50541040 is about 7109.2221796762. Note that the first 3 decimals coincide. The cubic root of 50541040 is about 369.7271911588.

Adding to 50541040 its reverse (4014505), we get a palindrome (54555545).

The spelling of 50541040 in words is "fifty million, five hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 79 80 88 110 158 176 220 316 395 440 632 727 790 869 880 1264 1454 1580 1738 2908 3160 3476 3635 4345 5816 6320 6952 7270 7997 8690 11632 13904 14540 15994 17380 29080 31988 34760 39985 57433 58160 63976 69520 79970 114866 127952 159940 229732 287165 319880 459464 574330 631763 639760 918928 1148660 1263526 2297320 2527052 3158815 4594640 5054104 6317630 10108208 12635260 25270520 50541040