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66379080 = 23353731483
BaseRepresentation
bin1111110100110…
…1110101001000
311121220101222110
43331031311020
5113443112310
610330422320
71434133005
oct375156510
9147811873
1066379080
1134518649
121a2919a0
13109a1681
148b5c8ac
155c62d20
hex3f4dd48

66379080 has 64 divisors (see below), whose sum is σ = 199805760. Its totient is φ = 17641728.

The previous prime is 66379063. The next prime is 66379097. The reversal of 66379080 is 8097366.

It is an interprime number because it is at equal distance from previous prime (66379063) and next prime (66379097).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44019 + ... + 45501.

It is an arithmetic number, because the mean of its divisors is an integer number (3121965).

Almost surely, 266379080 is an apocalyptic number.

66379080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66379080 is an abundant number, since it is smaller than the sum of its proper divisors (133426680).

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

66379080 is a wasteful number, since it uses less digits than its factorization.

66379080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 66379080 is about 8147.3357608485. The cubic root of 66379080 is about 404.8962392320.

The spelling of 66379080 in words is "sixty-six million, three hundred seventy-nine thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 373 746 1119 1483 1492 1865 2238 2966 2984 3730 4449 4476 5595 5932 7415 7460 8898 8952 11190 11864 14830 14920 17796 22245 22380 29660 35592 44490 44760 59320 88980 177960 553159 1106318 1659477 2212636 2765795 3318954 4425272 5531590 6637908 8297385 11063180 13275816 16594770 22126360 33189540 66379080