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242322705 = 3351794983
BaseRepresentation
bin11100111000110…
…00110100010001
3121212222021021000
432130120310101
5444013311310
640013452213
76001465122
oct1634306421
9555867230
10242322705
1111486a6a9
12691a1069
133b285121
142427c049
15164194c0
hexe718d11

242322705 has 16 divisors (see below), whose sum is σ = 430796160. Its totient is φ = 129238704.

The previous prime is 242322659. The next prime is 242322761. The reversal of 242322705 is 507223242.

It is not a de Polignac number, because 242322705 - 29 = 242322193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897357 + ... + 897626.

It is an arithmetic number, because the mean of its divisors is an integer number (26924760).

Almost surely, 2242322705 is an apocalyptic number.

It is an amenable number.

242322705 is a deficient number, since it is larger than the sum of its proper divisors (188473455).

242322705 is a wasteful number, since it uses less digits than its factorization.

242322705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794997 (or 1794991 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 242322705 is about 15566.7178621571. The cubic root of 242322705 is about 623.4448418492. Note that the first 3 decimals are identical.

Adding to 242322705 its reverse (507223242), we get a palindrome (749545947).

The spelling of 242322705 in words is "two hundred forty-two million, three hundred twenty-two thousand, seven hundred five".

Divisors: 1 3 5 9 15 27 45 135 1794983 5384949 8974915 16154847 26924745 48464541 80774235 242322705