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384256801 = 1697226433
BaseRepresentation
bin10110111001110…
…100101100100001
3222210001021020101
4112321310230201
51241332204201
6102043542401
712344062135
oct2671645441
9883037211
10384256801
111879a2905
12a882aa01
13617bb8b6
14390673c5
1523b03d01
hex16e74b21

384256801 has 4 divisors (see below), whose sum is σ = 384484932. Its totient is φ = 384028672.

The previous prime is 384256799. The next prime is 384256841. The reversal of 384256801 is 108652483.

It is a happy number.

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 368064225 + 16192576 = 19185^2 + 4024^2 .

It is a cyclic number.

It is not a de Polignac number, because 384256801 - 21 = 384256799 is a prime.

It is a super-2 number, since 2×3842568012 = 295306578229507202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384256841) 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, 111520 + ... + 114913.

It is an arithmetic number, because the mean of its divisors is an integer number (96121233).

Almost surely, 2384256801 is an apocalyptic number.

It is an amenable number.

384256801 is a deficient number, since it is larger than the sum of its proper divisors (228131).

384256801 is a wasteful number, since it uses less digits than its factorization.

384256801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228130.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 384256801 is about 19602.4692577236. The cubic root of 384256801 is about 727.0102282447.

The spelling of 384256801 in words is "three hundred eighty-four million, two hundred fifty-six thousand, eight hundred one".

Divisors: 1 1697 226433 384256801