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66242092 = 2272365789
BaseRepresentation
bin1111110010110…
…0011000101100
311121122110001211
43330230120230
5113424221332
610323444204
71433022430
oct374543054
9147573054
1066242092
1134434734
121a226664
1310954207
148b249c0
155c37447
hex3f2c62c

66242092 has 12 divisors (see below), whose sum is σ = 132484240. Its totient is φ = 28389456.

The previous prime is 66242089. The next prime is 66242107. The reversal of 66242092 is 29024266.

66242092 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182867 + ... + 1182922.

Almost surely, 266242092 is an apocalyptic number.

It is an amenable number.

66242092 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.

66242092 is a wasteful number, since it uses less digits than its factorization.

66242092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365800 (or 2365798 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 66242092 is about 8138.9244989741. The cubic root of 66242092 is about 404.6175162505.

The spelling of 66242092 in words is "sixty-six million, two hundred forty-two thousand, ninety-two".

Divisors: 1 2 4 7 14 28 2365789 4731578 9463156 16560523 33121046 66242092