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66903041 = 179074339
BaseRepresentation
bin1111111100110…
…1110000000001
311122220000201102
43333031300001
5114111344131
610345544145
71441444412
oct377156001
9148800642
1066903041
1134846277
121a4a5055
1310b25cca
148c57809
155d181cb
hex3fcdc01

66903041 has 8 divisors (see below), whose sum is σ = 70932960. Its totient is φ = 62883648.

The previous prime is 66903019. The next prime is 66903049. The reversal of 66903041 is 14030966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66903041 - 214 = 66886657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66902995 and 66903013.

It is not an unprimeable number, because it can be changed into a prime (66903049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13250 + ... + 17588.

It is an arithmetic number, because the mean of its divisors is an integer number (8866620).

Almost surely, 266903041 is an apocalyptic number.

It is an amenable number.

66903041 is a deficient number, since it is larger than the sum of its proper divisors (4029919).

66903041 is a wasteful number, since it uses less digits than its factorization.

66903041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 66903041 is about 8179.4279139803. The cubic root of 66903041 is about 405.9587932489.

The spelling of 66903041 in words is "sixty-six million, nine hundred three thousand, forty-one".

Divisors: 1 17 907 4339 15419 73763 3935473 66903041