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61080044 = 22313713313
BaseRepresentation
bin1110100100000…
…0000111101100
311020221012001212
43221000013230
5111114030134
610021053552
71341112634
oct351000754
9136835055
1061080044
1131529383
12185572b8
13c86774c
14817d6c4
155567bce
hex3a401ec

61080044 has 24 divisors (see below), whose sum is σ = 113328768. Its totient is φ = 28753920.

The previous prime is 61080043. The next prime is 61080067. The reversal of 61080044 is 44008016.

It is a happy number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (61080043) by changing a digit.

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, 2069 + ... + 11244.

It is an arithmetic number, because the mean of its divisors is an integer number (4722032).

Almost surely, 261080044 is an apocalyptic number.

It is an amenable number.

61080044 is a deficient number, since it is larger than the sum of its proper divisors (52248724).

61080044 is a wasteful number, since it uses less digits than its factorization.

61080044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13385 (or 13383 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 61080044 is about 7815.3722879975. The cubic root of 61080044 is about 393.8218250094.

The spelling of 61080044 in words is "sixty-one million, eighty thousand, forty-four".

Divisors: 1 2 4 31 37 62 74 124 148 1147 2294 4588 13313 26626 53252 412703 492581 825406 985162 1650812 1970324 15270011 30540022 61080044