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61429286 = 2113271811
BaseRepresentation
bin1110101001010…
…1011000100110
311021120221010202
43222111120212
5111211214121
610032350502
71344066062
oct352253046
9137527122
1061429286
1131747806
12186a5432
13c95a6b9
148230aa2
1555d640b
hex3a95626

61429286 has 8 divisors (see below), whose sum is σ = 92959704. Its totient is φ = 30442720.

The previous prime is 61429283. The next prime is 61429301. The reversal of 61429286 is 68292416.

61429286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61429283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135680 + ... + 136131.

It is an arithmetic number, because the mean of its divisors is an integer number (11619963).

Almost surely, 261429286 is an apocalyptic number.

61429286 is a deficient number, since it is larger than the sum of its proper divisors (31530418).

61429286 is a wasteful number, since it uses less digits than its factorization.

61429286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271926.

The product of its digits is 41472, while the sum is 38.

The square root of 61429286 is about 7837.6837139553. The cubic root of 61429286 is about 394.5709939309.

The spelling of 61429286 in words is "sixty-one million, four hundred twenty-nine thousand, two hundred eighty-six".

Divisors: 1 2 113 226 271811 543622 30714643 61429286