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50371840 = 285232959
BaseRepresentation
bin1100000000100…
…1110100000000
310111210011011201
43000021310000
5100343344330
64555350544
71151103451
oct300116400
9114704151
1050371840
1126485122
1214a52454
13a58872c
146993128
15464eeca
hex3009d00

50371840 has 144 divisors (see below), whose sum is σ = 132451200. Its totient is φ = 18292736.

The previous prime is 50371813. The next prime is 50371847. The reversal of 50371840 is 4817305.

It is a junction number, because it is equal to n+sod(n) for n = 50371799 and 50371808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50371847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853731 + ... + 853789.

It is an arithmetic number, because the mean of its divisors is an integer number (919800).

Almost surely, 250371840 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 50371840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66225600).

50371840 is an abundant number, since it is smaller than the sum of its proper divisors (82079360).

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

50371840 is a wasteful number, since it uses less digits than its factorization.

50371840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 50371840 is about 7097.3121672926. The cubic root of 50371840 is about 369.3141421415.

The spelling of 50371840 in words is "fifty million, three hundred seventy-one thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 23 29 32 40 46 58 59 64 80 92 115 116 118 128 145 160 184 230 232 236 256 290 295 320 368 460 464 472 580 590 640 667 736 920 928 944 1160 1180 1280 1334 1357 1472 1711 1840 1856 1888 2320 2360 2668 2714 2944 3335 3422 3680 3712 3776 4640 4720 5336 5428 5888 6670 6785 6844 7360 7424 7552 8555 9280 9440 10672 10856 13340 13570 13688 14720 15104 17110 18560 18880 21344 21712 26680 27140 27376 29440 34220 37120 37760 39353 42688 43424 53360 54280 54752 68440 75520 78706 85376 86848 106720 108560 109504 136880 157412 170752 173696 196765 213440 217120 219008 273760 314824 347392 393530 426880 434240 438016 547520 629648 787060 853760 868480 1095040 1259296 1574120 1736960 2190080 2518592 3148240 5037184 6296480 10074368 12592960 25185920 50371840