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61481696 = 255336251
BaseRepresentation
bin1110101010001…
…0001011100000
311021200121000212
43222202023200
5111214403241
610033433252
71344404633
oct352421340
9137617025
1061481696
1131783121
121870b828
13c978503
148245c1a
1555e6beb
hex3aa22e0

61481696 has 24 divisors (see below), whose sum is σ = 123329304. Its totient is φ = 30160000.

The previous prime is 61481689. The next prime is 61481723. The reversal of 61481696 is 69618416.

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 3 ways as a sum of consecutive naturals, for example, 16430 + ... + 19821.

It is an arithmetic number, because the mean of its divisors is an integer number (5138721).

Almost surely, 261481696 is an apocalyptic number.

It is an amenable number.

61481696 is an abundant number, since it is smaller than the sum of its proper divisors (61847608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61481696 is a wasteful number, since it uses less digits than its factorization.

61481696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36314 (or 36306 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 61481696 is about 7841.0264634166. The cubic root of 61481696 is about 394.6831748837.

The spelling of 61481696 in words is "sixty-one million, four hundred eighty-one thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 32 53 106 212 424 848 1696 36251 72502 145004 290008 580016 1160032 1921303 3842606 7685212 15370424 30740848 61481696