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61375050 = 23352114133
BaseRepresentation
bin1110101000100…
…0001001001010
311021111011202000
43222020021022
5111203000200
610031251430
71343452002
oct352101112
9137434660
1061375050
113170aa90
1218679b76
13c93bac9
148219002
1555c5300
hex3a8824a

61375050 has 96 divisors (see below), whose sum is σ = 184541760. Its totient is φ = 14875200.

The previous prime is 61375019. The next prime is 61375057. The reversal of 61375050 is 5057316.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61375057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12784 + ... + 16916.

It is an arithmetic number, because the mean of its divisors is an integer number (1922310).

Almost surely, 261375050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61375050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92270880).

61375050 is an abundant number, since it is smaller than the sum of its proper divisors (123166710).

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

61375050 is a wasteful number, since it uses less digits than its factorization.

61375050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165 (or 4154 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 61375050 is about 7834.2229991238. Note that the first 3 decimals coincide. The cubic root of 61375050 is about 394.4548373172.

The spelling of 61375050 in words is "sixty-one million, three hundred seventy-five thousand, fifty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 25 27 30 33 45 50 54 55 66 75 90 99 110 135 150 165 198 225 270 275 297 330 450 495 550 594 675 825 990 1350 1485 1650 2475 2970 4133 4950 7425 8266 12399 14850 20665 24798 37197 41330 45463 61995 74394 90926 103325 111591 123990 136389 185985 206650 223182 227315 272778 309975 371970 409167 454630 557955 619950 681945 818334 929925 1115910 1136575 1227501 1363890 1859850 2045835 2273150 2455002 2789775 3409725 4091670 5579550 6137505 6819450 10229175 12275010 20458350 30687525 61375050