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61066 = 2191607
BaseRepresentation
bin1110111010001010
310002202201
432322022
53423231
61150414
7343015
oct167212
9102681
1061066
1141975
122b40a
1321a45
141837c
1513161
hexee8a

61066 has 8 divisors (see below), whose sum is σ = 96480. Its totient is φ = 28908.

The previous prime is 61057. The next prime is 61091. The reversal of 61066 is 66016.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766 + ... + 841.

It is an arithmetic number, because the mean of its divisors is an integer number (12060).

261066 is an apocalyptic number.

61066 is a deficient number, since it is larger than the sum of its proper divisors (35414).

61066 is a wasteful number, since it uses less digits than its factorization.

61066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 61066 is about 247.1153576773. The cubic root of 61066 is about 39.3791639168.

Subtracting 61066 from its reverse (66016), we obtain a triangular number (4950 = T99).

It can be divided in two parts, 610 and 66, that added together give a palindrome (676).

The spelling of 61066 in words is "sixty-one thousand, sixty-six".

Divisors: 1 2 19 38 1607 3214 30533 61066