Search a number
-
+
61060500 = 2233534523
BaseRepresentation
bin1110100011101…
…1010110010100
311020220012021000
43220323112110
5111112414000
610020423300
71341001644
oct350732624
9136805230
1061060500
1131515726
1218547b30
13c85b897
148176524
155562000
hex3a3b594

61060500 has 96 divisors (see below), whose sum is σ = 197608320. Its totient is φ = 16279200.

The previous prime is 61060487. The next prime is 61060507. The reversal of 61060500 is 506016.

61060500 is a `hidden beast` number, since 61 + 0 + 605 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61060507) 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, 11239 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (2058420).

Almost surely, 261060500 is an apocalyptic number.

61060500 is a gapful number since it is divisible by the number (60) 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 61060500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98804160).

61060500 is an abundant number, since it is smaller than the sum of its proper divisors (136547820).

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

61060500 is a wasteful number, since it uses less digits than its factorization.

61060500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551 (or 4533 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 61060500 is about 7814.1218316584. The cubic root of 61060500 is about 393.7798163362.

Adding to 61060500 its reverse (506016), we get a palindrome (61566516).

The spelling of 61060500 in words is "sixty-one million, sixty thousand, five hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 90 100 108 125 135 150 180 225 250 270 300 375 450 500 540 675 750 900 1125 1350 1500 2250 2700 3375 4500 4523 6750 9046 13500 13569 18092 22615 27138 40707 45230 54276 67845 81414 90460 113075 122121 135690 162828 203535 226150 244242 271380 339225 407070 452300 488484 565375 610605 678450 814140 1017675 1130750 1221210 1356900 1696125 2035350 2261500 2442420 3053025 3392250 4070700 5088375 6106050 6784500 10176750 12212100 15265125 20353500 30530250 61060500