Search a number
-
+
214231793 = 316910703
BaseRepresentation
bin11001100010011…
…10101011110001
3112221010002202212
430301032223301
5414320404133
633131421505
75210640326
oct1461165361
9487102685
10214231793
11aaa23576
125b8b4895
13354cb099
1420648b4d
1513c1b148
hexcc4eaf1

214231793 has 4 divisors (see below), whose sum is σ = 221142528. Its totient is φ = 207321060.

The previous prime is 214231789. The next prime is 214231799. The reversal of 214231793 is 397132412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214231793 - 22 = 214231789 is a prime.

It is a super-2 number, since 2×2142317932 = 91790522263989698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214231799) 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, 3455321 + ... + 3455382.

It is an arithmetic number, because the mean of its divisors is an integer number (55285632).

Almost surely, 2214231793 is an apocalyptic number.

It is an amenable number.

214231793 is a deficient number, since it is larger than the sum of its proper divisors (6910735).

214231793 is an equidigital number, since it uses as much as digits as its factorization.

214231793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910734.

The product of its digits is 9072, while the sum is 32.

The square root of 214231793 is about 14636.6592158183. The cubic root of 214231793 is about 598.3582833373.

The spelling of 214231793 in words is "two hundred fourteen million, two hundred thirty-one thousand, seven hundred ninety-three".

Divisors: 1 31 6910703 214231793