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60641 = 78663
BaseRepresentation
bin1110110011100001
310002011222
432303201
53420031
61144425
7341540
oct166341
9102158
1060641
1141619
122b115
13217a9
1418157
1512e7b
hexece1

60641 has 4 divisors (see below), whose sum is σ = 69312. Its totient is φ = 51972.

The previous prime is 60637. The next prime is 60647. The reversal of 60641 is 14606.

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 60641 - 22 = 60637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4325 + ... + 4338.

It is an arithmetic number, because the mean of its divisors is an integer number (17328).

260641 is an apocalyptic number.

It is an amenable number.

60641 is a deficient number, since it is larger than the sum of its proper divisors (8671).

60641 is an equidigital number, since it uses as much as digits as its factorization.

60641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8670.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 60641 is about 246.2539339787. The cubic root of 60641 is about 39.2875956596.

The spelling of 60641 in words is "sixty thousand, six hundred forty-one".

Divisors: 1 7 8663 60641