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69413660 = 2253470683
BaseRepresentation
bin1000010001100…
…10101100011100
311211121120122022
410020302230130
5120232214120
610515435312
71502002121
oct410625434
9154546568
1069413660
1136200568
121b2b5b38
13114c4994
14930c748
156162025
hex4232b1c

69413660 has 12 divisors (see below), whose sum is σ = 145768728. Its totient is φ = 27765456.

The previous prime is 69413651. The next prime is 69413671. The reversal of 69413660 is 6631496.

It is a self number, because there is not a number n which added to its sum of digits gives 69413660.

It is a congruent number.

It is an unprimeable number.

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, 1735322 + ... + 1735361.

It is an arithmetic number, because the mean of its divisors is an integer number (12147394).

Almost surely, 269413660 is an apocalyptic number.

It is an amenable number.

69413660 is an abundant number, since it is smaller than the sum of its proper divisors (76355068).

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

69413660 is a wasteful number, since it uses less digits than its factorization.

69413660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470692 (or 3470690 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 69413660 is about 8331.4860619220. The cubic root of 69413660 is about 410.9745999699.

It can be divided in two parts, 6941 and 3660, that added together give a palindrome (10601).

The spelling of 69413660 in words is "sixty-nine million, four hundred thirteen thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 3470683 6941366 13882732 17353415 34706830 69413660