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61727942 = 239777743
BaseRepresentation
bin1110101101111…
…0010011000110
311022011002211002
43223132103012
5111300243232
610043013302
71346451563
oct353362306
9138132732
1061727942
1131931131
121880a232
13ca33613
1482ab86a
155644b62
hex3ade4c6

61727942 has 8 divisors (see below), whose sum is σ = 92826336. Its totient is φ = 30785832.

The previous prime is 61727933. The next prime is 61727947. The reversal of 61727942 is 24972716.

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

It is a junction number, because it is equal to n+sod(n) for n = 61727896 and 61727905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61727947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38078 + ... + 39665.

It is an arithmetic number, because the mean of its divisors is an integer number (11603292).

Almost surely, 261727942 is an apocalyptic number.

61727942 is a deficient number, since it is larger than the sum of its proper divisors (31098394).

61727942 is a wasteful number, since it uses less digits than its factorization.

61727942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78142.

The product of its digits is 42336, while the sum is 38.

The square root of 61727942 is about 7856.7131804591. The cubic root of 61727942 is about 395.2094002679.

The spelling of 61727942 in words is "sixty-one million, seven hundred twenty-seven thousand, nine hundred forty-two".

Divisors: 1 2 397 794 77743 155486 30863971 61727942