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66484088 = 23113124371
BaseRepresentation
bin1111110110011…
…1011101111000
311122002202000122
43331213131320
5114004442323
610332552412
71435051106
oct375473570
9148082018
1066484088
113458a530
121a322708
1310a0a3c8
148b88c76
155c83ec8
hex3f67778

66484088 has 32 divisors (see below), whose sum is σ = 140382720. Its totient is φ = 29244000.

The previous prime is 66484087. The next prime is 66484123. The reversal of 66484088 is 88048466.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66484087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9458 + ... + 14913.

It is an arithmetic number, because the mean of its divisors is an integer number (4386960).

Almost surely, 266484088 is an apocalyptic number.

It is an amenable number.

66484088 is an abundant number, since it is smaller than the sum of its proper divisors (73898632).

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

66484088 is a wasteful number, since it uses less digits than its factorization.

66484088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24419 (or 24415 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 66484088 is about 8153.7775294645. Note that the first 3 decimals coincide. The cubic root of 66484088 is about 405.1096344962.

The spelling of 66484088 in words is "sixty-six million, four hundred eighty-four thousand, eighty-eight".

Divisors: 1 2 4 8 11 22 31 44 62 88 124 248 341 682 1364 2728 24371 48742 97484 194968 268081 536162 755501 1072324 1511002 2144648 3022004 6044008 8310511 16621022 33242044 66484088