Search a number
-
+
61071006 = 2397104933
BaseRepresentation
bin1110100011110…
…1111010011110
311020220201200010
43220331322132
5111113233011
610020544050
71341044403
oct350757236
9136821603
1061071006
1131522607
1218552026
13c8635b9
14817a2aa
1555651a6
hex3a3de9e

61071006 has 16 divisors (see below), whose sum is σ = 123402384. Its totient is φ = 20146944.

The previous prime is 61070927. The next prime is 61071007. The reversal of 61071006 is 60017016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61071007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51885 + ... + 53048.

It is an arithmetic number, because the mean of its divisors is an integer number (7712649).

Almost surely, 261071006 is an apocalyptic number.

61071006 is an abundant number, since it is smaller than the sum of its proper divisors (62331378).

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

61071006 is a wasteful number, since it uses less digits than its factorization.

61071006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105035.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 61071006 is about 7814.7940471902. The cubic root of 61071006 is about 393.8023994765.

The spelling of 61071006 in words is "sixty-one million, seventy-one thousand, six".

Divisors: 1 2 3 6 97 194 291 582 104933 209866 314799 629598 10178501 20357002 30535503 61071006