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61041668 = 2243135407
BaseRepresentation
bin1110100011011…
…0110000000100
311020212020102112
43220312300010
5111111313133
610020200152
71340563022
oct350666004
9136766375
1061041668
1131502566
1218539058
13c85313c
14816d712
15555b648
hex3a36c04

61041668 has 12 divisors (see below), whose sum is σ = 107073792. Its totient is φ = 30449160.

The previous prime is 61041653. The next prime is 61041671. The reversal of 61041668 is 86614016.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15980 + ... + 19427.

It is an arithmetic number, because the mean of its divisors is an integer number (8922816).

Almost surely, 261041668 is an apocalyptic number.

It is an amenable number.

61041668 is a deficient number, since it is larger than the sum of its proper divisors (46032124).

61041668 is a wasteful number, since it uses less digits than its factorization.

61041668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35842 (or 35840 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 61041668 is about 7812.9167408849. The cubic root of 61041668 is about 393.7393295840.

The spelling of 61041668 in words is "sixty-one million, forty-one thousand, six hundred sixty-eight".

Divisors: 1 2 4 431 862 1724 35407 70814 141628 15260417 30520834 61041668