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66484432 = 2472772143
BaseRepresentation
bin1111110110011…
…1100011010000
311122002202111101
43331213203100
5114010000212
610332554144
71435052110
oct375474320
9148082441
1066484432
113458a813
121a322954
1310a0a601
148b89040
155c84157
hex3f678d0

66484432 has 40 divisors (see below), whose sum is σ = 147815936. Its totient is φ = 28377216.

The previous prime is 66484427. The next prime is 66484459. The reversal of 66484432 is 23448466.

It is a junction number, because it is equal to n+sod(n) for n = 66484391 and 66484400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29953 + ... + 32095.

Almost surely, 266484432 is an apocalyptic number.

It is an amenable number.

66484432 is an abundant number, since it is smaller than the sum of its proper divisors (81331504).

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

66484432 is a wasteful number, since it uses less digits than its factorization.

66484432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2429 counting only the distinct ones).

The product of its digits is 110592, while the sum is 37.

The square root of 66484432 is about 8153.7986239544. The cubic root of 66484432 is about 405.1103331971.

The spelling of 66484432 in words is "sixty-six million, four hundred eighty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 277 554 1108 1939 2143 2216 3878 4286 4432 7756 8572 15001 15512 17144 30002 31024 34288 60004 120008 240016 593611 1187222 2374444 4155277 4748888 8310554 9497776 16621108 33242216 66484432