Search a number
-
+
384250397 = 23109153271
BaseRepresentation
bin10110111001110…
…011001000011101
3222210000221110012
4112321303020131
51241332003042
6102043453005
712344034356
oct2671631035
9883027405
10384250397
11187999013
12a8827165
13617b89cb
1439064d2d
1523b01e82
hex16e7321d

384250397 has 8 divisors (see below), whose sum is σ = 404638080. Its totient is φ = 364169520.

The previous prime is 384250387. The next prime is 384250403. The reversal of 384250397 is 793052483.

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 384250397 - 220 = 383201821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384250387) 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, 74129 + ... + 79142.

It is an arithmetic number, because the mean of its divisors is an integer number (50579760).

Almost surely, 2384250397 is an apocalyptic number.

It is an amenable number.

384250397 is a deficient number, since it is larger than the sum of its proper divisors (20387683).

384250397 is a wasteful number, since it uses less digits than its factorization.

384250397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153403.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 384250397 is about 19602.3059102749. The cubic root of 384250397 is about 727.0061894531.

The spelling of 384250397 in words is "three hundred eighty-four million, two hundred fifty thousand, three hundred ninety-seven".

Divisors: 1 23 109 2507 153271 3525233 16706539 384250397