Search a number
-
+
60860661 = 320286887
BaseRepresentation
bin1110100000101…
…0100011110101
311020112001010120
43220022203311
5111040020121
610012242153
71336210221
oct350124365
9136461116
1060860661
1131399574
1218470359
13c7bb934
148123781
155522bc6
hex3a0a8f5

60860661 has 4 divisors (see below), whose sum is σ = 81147552. Its totient is φ = 40573772.

The previous prime is 60860641. The next prime is 60860693. The reversal of 60860661 is 16606806.

60860661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60860661 - 211 = 60858613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60860641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10143441 + ... + 10143446.

It is an arithmetic number, because the mean of its divisors is an integer number (20286888).

Almost surely, 260860661 is an apocalyptic number.

It is an amenable number.

60860661 is a deficient number, since it is larger than the sum of its proper divisors (20286891).

60860661 is a wasteful number, since it uses less digits than its factorization.

60860661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20286890.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 60860661 is about 7801.3243106539. The cubic root of 60860661 is about 393.3497588819.

The spelling of 60860661 in words is "sixty million, eight hundred sixty thousand, six hundred sixty-one".

Divisors: 1 3 20286887 60860661