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66962924 = 2272391533
BaseRepresentation
bin1111111101110…
…0010111101100
311200000001212022
43333130113230
5114120303144
610351125312
71442114120
oct377342754
9150001768
1066962924
1134887266
121a513838
1310b47342
148c71580
155d2acee
hex3fdc5ec

66962924 has 12 divisors (see below), whose sum is σ = 133925904. Its totient is φ = 28698384.

The previous prime is 66962887. The next prime is 66962927. The reversal of 66962924 is 42926966.

66962924 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (66962927) 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, 1195739 + ... + 1195794.

It is an arithmetic number, because the mean of its divisors is an integer number (11160492).

Almost surely, 266962924 is an apocalyptic number.

It is an amenable number.

66962924 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66962924 is a wasteful number, since it uses less digits than its factorization.

66962924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391544 (or 2391542 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 66962924 is about 8183.0876813095. The cubic root of 66962924 is about 406.0798778343.

The spelling of 66962924 in words is "sixty-six million, nine hundred sixty-two thousand, nine hundred twenty-four".

Divisors: 1 2 4 7 14 28 2391533 4783066 9566132 16740731 33481462 66962924