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81060614 = 282149367
BaseRepresentation
bin1001101010011…
…10001100000110
312122112022020222
410311032030012
5131222414424
612013224342
72003001215
oct465161406
9178468228
1081060614
1141836048
12231920b2
1313a4207b
14aaa107c
1571b2e5e
hex4d4e306

81060614 has 8 divisors (see below), whose sum is σ = 121741488. Its totient is φ = 40480120.

The previous prime is 81060613. The next prime is 81060653. The reversal of 81060614 is 41606018.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81060611) 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, 23042 + ... + 26325.

It is an arithmetic number, because the mean of its divisors is an integer number (15217686).

Almost surely, 281060614 is an apocalyptic number.

81060614 is a deficient number, since it is larger than the sum of its proper divisors (40680874).

81060614 is a wasteful number, since it uses less digits than its factorization.

81060614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50190.

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

The square root of 81060614 is about 9003.3668146977. The cubic root of 81060614 is about 432.7827707445.

The spelling of 81060614 in words is "eighty-one million, sixty thousand, six hundred fourteen".

Divisors: 1 2 821 1642 49367 98734 40530307 81060614