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1042120232 = 23997130657
BaseRepresentation
bin111110000111010…
…111111000101000
32200121221012012122
4332013113320220
54113240321412
6251224130412
734552606256
oct7607277050
92617835178
101042120232
1149528239a
12251006a08
13137b96aba
149c5935d6
1561751572
hex3e1d7e28

1042120232 has 16 divisors (see below), whose sum is σ = 1955950260. Its totient is φ = 520533504.

The previous prime is 1042120231. The next prime is 1042120243. The reversal of 1042120232 is 2320212401.

It can be written as a sum of positive squares in 2 ways, for example, as 961372036 + 80748196 = 31006^2 + 8986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1042120232.

It is not an unprimeable number, because it can be changed into a prime (1042120231) 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 3 ways as a sum of consecutive naturals, for example, 57353 + ... + 73304.

Almost surely, 21042120232 is an apocalyptic number.

It is an amenable number.

1042120232 is a deficient number, since it is larger than the sum of its proper divisors (913830028).

1042120232 is a wasteful number, since it uses less digits than its factorization.

1042120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131660 (or 131656 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1042120232 is about 32281.8870576055. The cubic root of 1042120232 is about 1013.8474406316.

Adding to 1042120232 its reverse (2320212401), we get a palindrome (3362332633).

The spelling of 1042120232 in words is "one billion, forty-two million, one hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 997 1994 3988 7976 130657 261314 522628 1045256 130265029 260530058 521060116 1042120232