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69660414 = 2326163443
BaseRepresentation
bin1000010011011…
…10111011111110
311212002010010100
410021232323332
5120313113124
610525021530
71504050405
oct411567376
9155063110
1069660414
113635999a
121b3b48a6
13115800a5
14937463c
1561b01c9
hex426eefe

69660414 has 24 divisors (see below), whose sum is σ = 153407592. Its totient is φ = 22839120.

The previous prime is 69660397. The next prime is 69660419. The reversal of 69660414 is 41406696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69660419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30624 + ... + 32819.

It is an arithmetic number, because the mean of its divisors is an integer number (6391983).

Almost surely, 269660414 is an apocalyptic number.

69660414 is an abundant number, since it is smaller than the sum of its proper divisors (83747178).

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

69660414 is a wasteful number, since it uses less digits than its factorization.

69660414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63512 (or 63509 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 69660414 is about 8346.2814474471. The cubic root of 69660414 is about 411.4610061442.

The spelling of 69660414 in words is "sixty-nine million, six hundred sixty thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 61 122 183 366 549 1098 63443 126886 190329 380658 570987 1141974 3870023 7740046 11610069 23220138 34830207 69660414