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60687138 = 2310114523
BaseRepresentation
bin1110011110000…
…0001100100010
311020012020002210
43213200030202
5111013442023
610004422550
71334555301
oct347401442
9136166083
1060687138
1131290166
12183a7a56
13c75a965
1480ba438
1554db593
hex39e0322

60687138 has 8 divisors (see below), whose sum is σ = 121374288. Its totient is φ = 20229044.

The previous prime is 60687091. The next prime is 60687139. The reversal of 60687138 is 83178606.

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

60687138 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 60687096 and 60687105.

It is not an unprimeable number, because it can be changed into a prime (60687139) by changing a digit.

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, 5057256 + ... + 5057267.

It is an arithmetic number, because the mean of its divisors is an integer number (15171786).

Almost surely, 260687138 is an apocalyptic number.

60687138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

60687138 is a wasteful number, since it uses less digits than its factorization.

60687138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10114528.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 60687138 is about 7790.1949911411. The cubic root of 60687138 is about 392.9755697055.

The spelling of 60687138 in words is "sixty million, six hundred eighty-seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 10114523 20229046 30343569 60687138