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4062421979 = 72117536961
BaseRepresentation
bin1111001000100011…
…1010001111011011
3101111010011102022022
43302020322033123
531304440000404
61511035445055
7202446005600
oct36210721733
911433142268
104062421979
1117a5149840
129545b678b
134c9838bb5
142a77626a7
1518b9a58be
hexf223a3db

4062421979 has 12 divisors (see below), whose sum is σ = 5155282008. Its totient is φ = 3165523200.

The previous prime is 4062421927. The next prime is 4062421991. The reversal of 4062421979 is 9791242604.

It is not a de Polignac number, because 4062421979 - 216 = 4062356443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4062421379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3767942 + ... + 3769019.

It is an arithmetic number, because the mean of its divisors is an integer number (429606834).

Almost surely, 24062421979 is an apocalyptic number.

4062421979 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4062421979 is a deficient number, since it is larger than the sum of its proper divisors (1092860029).

4062421979 is a wasteful number, since it uses less digits than its factorization.

4062421979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536986 (or 7536979 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 4062421979 is about 63737.1318698920. The cubic root of 4062421979 is about 1595.6158598933.

The spelling of 4062421979 in words is "four billion, sixty-two million, four hundred twenty-one thousand, nine hundred seventy-nine".

Divisors: 1 7 11 49 77 539 7536961 52758727 82906571 369311089 580345997 4062421979