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60420871 = 721233079
BaseRepresentation
bin1110011001111…
…1001100000111
311012200200212001
43212133030013
5110431431441
65555010131
71332366100
oct346371407
9135620761
1060420871
1131119105
1218299947
13c6966c4
14804b3a7
155487731
hex399f307

60420871 has 6 divisors (see below), whose sum is σ = 70285560. Its totient is φ = 51789276.

The previous prime is 60420851. The next prime is 60420881. The reversal of 60420871 is 17802406.

It is not a de Polignac number, because 60420871 - 211 = 60418823 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60420821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616491 + ... + 616588.

It is an arithmetic number, because the mean of its divisors is an integer number (11714260).

Almost surely, 260420871 is an apocalyptic number.

60420871 is a deficient number, since it is larger than the sum of its proper divisors (9864689).

60420871 is a wasteful number, since it uses less digits than its factorization.

60420871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233093 (or 1233086 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 60420871 is about 7773.0863239771. The cubic root of 60420871 is about 392.3999956184.

The spelling of 60420871 in words is "sixty million, four hundred twenty thousand, eight hundred seventy-one".

Divisors: 1 7 49 1233079 8631553 60420871