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60004069 = 72538273
BaseRepresentation
bin1110010011100…
…1011011100101
311011220112002221
43210321123211
5110330112234
65542032341
71326011656
oct344713345
9134815087
1060004069
1130963a44
12181186b1
13c57ba88
147d7d52d
155403eb4
hex39396e5

60004069 has 4 divisors (see below), whose sum is σ = 60019596. Its totient is φ = 59988544.

The previous prime is 60004051. The next prime is 60004073. The reversal of 60004069 is 96040006.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96040006 = 248020003.

It can be written as a sum of positive squares in 2 ways, for example, as 44715969 + 15288100 = 6687^2 + 3910^2 .

It is a cyclic number.

It is not a de Polignac number, because 60004069 - 211 = 60002021 is a prime.

It is a super-2 number, since 2×600040692 = 7200976593113522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60004099) 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, 3117 + ... + 11389.

It is an arithmetic number, because the mean of its divisors is an integer number (15004899).

Almost surely, 260004069 is an apocalyptic number.

It is an amenable number.

60004069 is a deficient number, since it is larger than the sum of its proper divisors (15527).

60004069 is an equidigital number, since it uses as much as digits as its factorization.

60004069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15526.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 60004069 is about 7746.2293407825. The cubic root of 60004069 is about 391.4956136926.

The spelling of 60004069 in words is "sixty million, four thousand, sixty-nine".

Divisors: 1 7253 8273 60004069