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81460102 = 243279413
BaseRepresentation
bin1001101101011…
…11101110000110
312200021121020211
410312233232012
5131323210402
612025550034
72006254003
oct466575606
9180247224
1081460102
1141a891a9
122334531a
1313b51b59
14ab668aa
1572414d7
hex4dafb86

81460102 has 8 divisors (see below), whose sum is σ = 122231376. Its totient is φ = 40716312.

The previous prime is 81460097. The next prime is 81460117. The reversal of 81460102 is 20106418.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3948 + ... + 13360.

It is an arithmetic number, because the mean of its divisors is an integer number (15278922).

Almost surely, 281460102 is an apocalyptic number.

81460102 is a deficient number, since it is larger than the sum of its proper divisors (40771274).

81460102 is a wasteful number, since it uses less digits than its factorization.

81460102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13742.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 81460102 is about 9025.5250262796. The cubic root of 81460102 is about 433.4925617342.

The spelling of 81460102 in words is "eighty-one million, four hundred sixty thousand, one hundred two".

Divisors: 1 2 4327 8654 9413 18826 40730051 81460102