Search a number
-
+
242032731 = 3835471777
BaseRepresentation
bin11100110110100…
…10000001011011
3121212102112111020
432123102001123
5443430021411
640003333523
75666146533
oct1633220133
9555375436
10242032731
11114691856
12690812a3
133b1b3145
14242044c3
15163ad606
hexe6d205b

242032731 has 16 divisors (see below), whose sum is σ = 327379584. Its totient is φ = 159030144.

The previous prime is 242032649. The next prime is 242032759. The reversal of 242032731 is 137230242.

242032731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242032731 - 27 = 242032603 is a prime.

It is a super-2 number, since 2×2420327312 = 117159685750636722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242032781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135315 + ... + 137091.

It is an arithmetic number, because the mean of its divisors is an integer number (20461224).

Almost surely, 2242032731 is an apocalyptic number.

242032731 is a deficient number, since it is larger than the sum of its proper divisors (85346853).

242032731 is a wasteful number, since it uses less digits than its factorization.

242032731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 242032731 is about 15557.4011647190. The cubic root of 242032731 is about 623.1960620889.

Adding to 242032731 its reverse (137230242), we get a palindrome (379262973).

The spelling of 242032731 in words is "two hundred forty-two million, thirty-two thousand, seven hundred thirty-one".

Divisors: 1 3 83 249 547 1641 1777 5331 45401 136203 147491 442473 972019 2916057 80677577 242032731