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385722093 = 3612107771
BaseRepresentation
bin10110111111011…
…010011011101101
3222212210201020110
4112333122123231
51242221101333
6102135210233
712362404131
oct2677323355
9885721213
10385722093
11188803799
12a9216979
1361bb2833
14393293c1
1523ce3063
hex16fda6ed

385722093 has 8 divisors (see below), whose sum is σ = 522727456. Its totient is φ = 252932400.

The previous prime is 385722067. The next prime is 385722109. The reversal of 385722093 is 390227583.

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

It is not a de Polignac number, because 385722093 - 225 = 352167661 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 (385722023) 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, 1053703 + ... + 1054068.

It is an arithmetic number, because the mean of its divisors is an integer number (65340932).

Almost surely, 2385722093 is an apocalyptic number.

It is an amenable number.

385722093 is a deficient number, since it is larger than the sum of its proper divisors (137005363).

385722093 is a wasteful number, since it uses less digits than its factorization.

385722093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107835.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 385722093 is about 19639.8088839988. The cubic root of 385722093 is about 727.9331622865.

The spelling of 385722093 in words is "three hundred eighty-five million, seven hundred twenty-two thousand, ninety-three".

Divisors: 1 3 61 183 2107771 6323313 128574031 385722093