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242130044 = 221341911113
BaseRepresentation
bin11100110111010…
…01110001111100
3121212121110222102
432123221301330
5443441130134
640005404232
76000033332
oct1633516174
9555543872
10242130044
11114748982
1269109678
133b218520
142422bb52
15163cc37e
hexe6e9c7c

242130044 has 24 divisors (see below), whose sum is σ = 457452240. Its totient is φ = 111475584.

The previous prime is 242130043. The next prime is 242130059. The reversal of 242130044 is 440031242.

It is a junction number, because it is equal to n+sod(n) for n = 242129998 and 242130025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242130043) 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 in 7 ways as a sum of consecutive naturals, for example, 16232 + ... + 27344.

It is an arithmetic number, because the mean of its divisors is an integer number (19060510).

Almost surely, 2242130044 is an apocalyptic number.

It is an amenable number.

242130044 is a deficient number, since it is larger than the sum of its proper divisors (215322196).

242130044 is a wasteful number, since it uses less digits than its factorization.

242130044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11549 (or 11547 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 242130044 is about 15560.5283971978. The cubic root of 242130044 is about 623.2795727669.

Adding to 242130044 its reverse (440031242), we get a palindrome (682161286).

The spelling of 242130044 in words is "two hundred forty-two million, one hundred thirty thousand, forty-four".

Divisors: 1 2 4 13 26 52 419 838 1676 5447 10894 11113 21788 22226 44452 144469 288938 577876 4656347 9312694 18625388 60532511 121065022 242130044