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242952922 = 2121476461
BaseRepresentation
bin11100111101100…
…10101011011010
3121221011021202101
432132302223122
5444143443142
640035154014
76010031362
oct1636625332
9557137671
10242952922
11115160143
126944590a
133b445c34
14243a39a2
15164e10b7
hexe7b2ada

242952922 has 4 divisors (see below), whose sum is σ = 364429386. Its totient is φ = 121476460.

The previous prime is 242952911. The next prime is 242952929. The reversal of 242952922 is 229259242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229259242 = 2114629621.

It can be written as a sum of positive squares in only one way, i.e., 242144721 + 808201 = 15561^2 + 899^2 .

It is a super-2 number, since 2×2429529222 = 118052244616676168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242952929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60738229 + ... + 60738232.

Almost surely, 2242952922 is an apocalyptic number.

242952922 is a deficient number, since it is larger than the sum of its proper divisors (121476464).

242952922 is a wasteful number, since it uses less digits than its factorization.

242952922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121476463.

The product of its digits is 51840, while the sum is 37.

The square root of 242952922 is about 15586.9471674218. The cubic root of 242952922 is about 623.9848454708.

The spelling of 242952922 in words is "two hundred forty-two million, nine hundred fifty-two thousand, nine hundred twenty-two".

Divisors: 1 2 121476461 242952922