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242580346 = 2121290173
BaseRepresentation
bin11100111010101…
…11101101111010
3121220110100200021
432131113231322
5444100032341
640023201054
76003620221
oct1635275572
9556410607
10242580346
11114a26228
12692a618a
133b345488
1424307cb8
151646a9d1
hexe757b7a

242580346 has 4 divisors (see below), whose sum is σ = 363870522. Its totient is φ = 121290172.

The previous prime is 242580341. The next prime is 242580397. The reversal of 242580346 is 643085242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643085242 = 2321542621.

It can be written as a sum of positive squares in only one way, i.e., 237006025 + 5574321 = 15395^2 + 2361^2 .

It is not an unprimeable number, because it can be changed into a prime (242580341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60645085 + ... + 60645088.

Almost surely, 2242580346 is an apocalyptic number.

242580346 is a deficient number, since it is larger than the sum of its proper divisors (121290176).

242580346 is a wasteful number, since it uses less digits than its factorization.

242580346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121290175.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 242580346 is about 15574.9910433361. The cubic root of 242580346 is about 623.6657154426.

The spelling of 242580346 in words is "two hundred forty-two million, five hundred eighty thousand, three hundred forty-six".

Divisors: 1 2 121290173 242580346