Search a number
-
+
242304445 = 5594211951
BaseRepresentation
bin11100111000101…
…00010110111101
3121212221100012201
432130110112331
5444012220240
640013231501
76001360645
oct1634242675
9555840181
10242304445
11114857a09
1269192591
133b279a16
1424275525
1516413d9a
hexe7145bd

242304445 has 16 divisors (see below), whose sum is σ = 296547840. Its totient is φ = 190008000.

The previous prime is 242304427. The next prime is 242304449. The reversal of 242304445 is 544403242.

It is not a de Polignac number, because 242304445 - 225 = 208750013 is a prime.

It is a super-2 number, since 2×2423044452 = 117422888133516050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242304449) 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, 123220 + ... + 125170.

It is an arithmetic number, because the mean of its divisors is an integer number (18534240).

Almost surely, 2242304445 is an apocalyptic number.

It is an amenable number.

242304445 is a deficient number, since it is larger than the sum of its proper divisors (54243395).

242304445 is a wasteful number, since it uses less digits than its factorization.

242304445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 242304445 is about 15566.1313434006. The cubic root of 242304445 is about 623.4291817555.

Adding to 242304445 its reverse (544403242), we get a palindrome (786707687).

The spelling of 242304445 in words is "two hundred forty-two million, three hundred four thousand, four hundred forty-five".

Divisors: 1 5 59 295 421 1951 2105 9755 24839 115109 124195 575545 821371 4106855 48460889 242304445