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61080038 = 2433971789
BaseRepresentation
bin1110100100000…
…0000111100110
311020221012001122
43221000013212
5111114030123
610021053542
71341112625
oct351000746
9136835048
1061080038
1131529378
12185572b2
13c867746
14817d6bc
155567bc8
hex3a401e6

61080038 has 16 divisors (see below), whose sum is σ = 94039440. Its totient is φ = 29738016.

The previous prime is 61080023. The next prime is 61080043. The reversal of 61080038 is 83008016.

It is a junction number, because it is equal to n+sod(n) for n = 61079989 and 61080016.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 33248 + ... + 35036.

It is an arithmetic number, because the mean of its divisors is an integer number (5877465).

Almost surely, 261080038 is an apocalyptic number.

61080038 is a deficient number, since it is larger than the sum of its proper divisors (32959402).

61080038 is a wasteful number, since it uses less digits than its factorization.

61080038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 61080038 is about 7815.3719041387. The cubic root of 61080038 is about 393.8218121142.

The spelling of 61080038 in words is "sixty-one million, eighty thousand, thirty-eight".

Divisors: 1 2 43 86 397 794 1789 3578 17071 34142 76927 153854 710233 1420466 30540019 61080038