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66267045 = 3351361619
BaseRepresentation
bin1111110011001…
…0011110100101
311121200201022000
43330302132211
5113431021140
610324155513
71433155245
oct374623645
9147621260
1066267045
1134451459
121a238b99
1310962690
148b2db25
155c3ea30
hex3f327a5

66267045 has 64 divisors (see below), whose sum is σ = 129158400. Its totient is φ = 32037120.

The previous prime is 66266957. The next prime is 66267049. The reversal of 66267045 is 54076266.

It is not a de Polignac number, because 66267045 - 27 = 66266917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66267049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106746 + ... + 107364.

It is an arithmetic number, because the mean of its divisors is an integer number (2018100).

Almost surely, 266267045 is an apocalyptic number.

66267045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

66267045 is a deficient number, since it is larger than the sum of its proper divisors (62891355).

66267045 is a wasteful number, since it uses less digits than its factorization.

66267045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 66267045 is about 8140.4572967371. The cubic root of 66267045 is about 404.6683155388.

The spelling of 66267045 in words is "sixty-six million, two hundred sixty-seven thousand, forty-five".

Divisors: 1 3 5 9 13 15 27 39 45 61 65 117 135 183 195 305 351 549 585 619 793 915 1647 1755 1857 2379 2745 3095 3965 5571 7137 8047 8235 9285 11895 16713 21411 24141 27855 35685 37759 40235 72423 83565 107055 113277 120705 188795 217269 339831 362115 490867 566385 1019493 1086345 1472601 1699155 2454335 4417803 5097465 7363005 13253409 22089015 66267045