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66048744 = 2337183467
BaseRepresentation
bin1111101111110…
…1001011101000
311121021121211210
43323331023220
5113402024434
610315353120
71431255636
oct373751350
9147247753
1066048744
1134312443
121a1527a0
13108b71c8
148ab4356
155be9ee9
hex3efd2e8

66048744 has 64 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 21398720.

The previous prime is 66048739. The next prime is 66048761. The reversal of 66048744 is 44784066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141199 + ... + 141665.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 266048744 is an apocalyptic number.

It is an amenable number.

66048744 is an abundant number, since it is smaller than the sum of its proper divisors (103779096).

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

66048744 is a wasteful number, since it uses less digits than its factorization.

66048744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 66048744 is about 8127.0378367521. The cubic root of 66048744 is about 404.2234655617.

The spelling of 66048744 in words is "sixty-six million, forty-eight thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 71 83 142 166 213 249 284 332 426 467 498 568 664 852 934 996 1401 1704 1868 1992 2802 3736 5604 5893 11208 11786 17679 23572 33157 35358 38761 47144 66314 70716 77522 99471 116283 132628 141432 155044 198942 232566 265256 310088 397884 465132 795768 930264 2752031 5504062 8256093 11008124 16512186 22016248 33024372 66048744