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66060345 = 35132771223
BaseRepresentation
bin1111110000000…
…0000000111001
311121022012202110
43330000000321
5113402412340
610315522533
71431334521
oct374000071
9147265673
1066060345
113432012a
121a159449
13108bc580
148ab8681
155bed680
hex3f00039

66060345 has 32 divisors (see below), whose sum is σ = 114331392. Its totient is φ = 32378112.

The previous prime is 66060311. The next prime is 66060361. The reversal of 66060345 is 54306066.

It is not a de Polignac number, because 66060345 - 27 = 66060217 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53404 + ... + 54626.

It is an arithmetic number, because the mean of its divisors is an integer number (3572856).

Almost surely, 266060345 is an apocalyptic number.

66060345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

66060345 is a deficient number, since it is larger than the sum of its proper divisors (48271047).

66060345 is a wasteful number, since it uses less digits than its factorization.

66060345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 66060345 is about 8127.7515340960. The cubic root of 66060345 is about 404.2471305179.

The spelling of 66060345 in words is "sixty-six million, sixty thousand, three hundred forty-five".

Divisors: 1 3 5 13 15 39 65 195 277 831 1223 1385 3601 3669 4155 6115 10803 15899 18005 18345 47697 54015 79495 238485 338771 1016313 1693855 4404023 5081565 13212069 22020115 66060345