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50032140 = 22353137727
BaseRepresentation
bin1011111011011…
…0111000001100
310111010220012020
42332312320030
5100302012030
64544210140
71145160204
oct276667014
9114126166
1050032140
1126272984
1214909950
13a499c22
146905404
1545d4510
hex2fb6e0c

50032140 has 96 divisors (see below), whose sum is σ = 148721664. Its totient is φ = 12545280.

The previous prime is 50032127. The next prime is 50032141. The reversal of 50032140 is 4123005.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (50032141) 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, 68457 + ... + 69183.

It is an arithmetic number, because the mean of its divisors is an integer number (1549184).

Almost surely, 250032140 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 50032140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74360832).

50032140 is an abundant number, since it is smaller than the sum of its proper divisors (98689524).

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

50032140 is a wasteful number, since it uses less digits than its factorization.

50032140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 50032140 is about 7073.3400879641. The cubic root of 50032140 is about 368.4820694715.

Adding to 50032140 its reverse (4123005), we get a palindrome (54155145).

It can be divided in two parts, 500 and 32140, that added together give a triangular number (32640 = T255).

The spelling of 50032140 in words is "fifty million, thirty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 37 60 62 74 93 111 124 148 155 185 186 222 310 370 372 444 465 555 620 727 740 930 1110 1147 1454 1860 2181 2220 2294 2908 3441 3635 4362 4588 5735 6882 7270 8724 10905 11470 13764 14540 17205 21810 22537 22940 26899 34410 43620 45074 53798 67611 68820 80697 90148 107596 112685 134495 135222 161394 225370 268990 270444 322788 338055 403485 450740 537980 676110 806970 833869 1352220 1613940 1667738 2501607 3335476 4169345 5003214 8338690 10006428 12508035 16677380 25016070 50032140