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385216607 = 4169113597
BaseRepresentation
bin10110111101011…
…111000001011111
3222211212000211202
4112331133001133
51242103412412
6102120310115
712355200326
oct2675370137
9884760752
10385216607
11188498a36
12a901233b
1361a66729
14392370bd
1523c433c2
hex16f5f05f

385216607 has 8 divisors (see below), whose sum is σ = 395212272. Its totient is φ = 375249600.

The previous prime is 385216603. The next prime is 385216619. The reversal of 385216607 is 706612583.

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 385216607 - 22 = 385216603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385216603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21533 + ... + 35129.

It is an arithmetic number, because the mean of its divisors is an integer number (49401534).

Almost surely, 2385216607 is an apocalyptic number.

385216607 is a deficient number, since it is larger than the sum of its proper divisors (9995665).

385216607 is a wasteful number, since it uses less digits than its factorization.

385216607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14329.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 385216607 is about 19626.9357516654. The cubic root of 385216607 is about 727.6150395736.

The spelling of 385216607 in words is "three hundred eighty-five million, two hundred sixteen thousand, six hundred seven".

Divisors: 1 41 691 13597 28331 557477 9395527 385216607