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380035609 = 2357161237
BaseRepresentation
bin10110101001101…
…110001000011001
3222111002210211221
4112221232020121
51234242114414
6101413252041
712263151352
oct2651561031
9874083757
10380035609
1118557a418
12a7334021
1360971455
1438688d29
152356d224
hex16a6e219

380035609 has 4 divisors (see below), whose sum is σ = 380199204. Its totient is φ = 379872016.

The previous prime is 380035589. The next prime is 380035619. The reversal of 380035609 is 906530083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37785609 + 342250000 = 6147^2 + 18500^2 .

It is a cyclic number.

It is not a de Polignac number, because 380035609 - 217 = 379904537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380035619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78262 + ... + 82975.

It is an arithmetic number, because the mean of its divisors is an integer number (95049801).

Almost surely, 2380035609 is an apocalyptic number.

It is an amenable number.

380035609 is a deficient number, since it is larger than the sum of its proper divisors (163595).

380035609 is a wasteful number, since it uses less digits than its factorization.

380035609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163594.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 380035609 is about 19494.5020198004. The cubic root of 380035609 is about 724.3382683356.

The spelling of 380035609 in words is "three hundred eighty million, thirty-five thousand, six hundred nine".

Divisors: 1 2357 161237 380035609