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1042240115 = 5729778289
BaseRepresentation
bin111110000111110…
…101001001110011
32200122011021122202
4332013311021303
54113303140430
6251230453415
734553615630
oct7607651163
92618137582
101042240115
11495354474
1225106426b
13137c09537
149c5c5187
1561776d45
hex3e1f5273

1042240115 has 8 divisors (see below), whose sum is σ = 1429357920. Its totient is φ = 714678912.

The previous prime is 1042240081. The next prime is 1042240139. The reversal of 1042240115 is 5110422401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042240115 - 26 = 1042240051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14889110 + ... + 14889179.

It is an arithmetic number, because the mean of its divisors is an integer number (178669740).

Almost surely, 21042240115 is an apocalyptic number.

1042240115 is a deficient number, since it is larger than the sum of its proper divisors (387117805).

1042240115 is an equidigital number, since it uses as much as digits as its factorization.

1042240115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29778301.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1042240115 is about 32283.7438194519. The cubic root of 1042240115 is about 1013.8863159963.

Adding to 1042240115 its reverse (5110422401), we get a palindrome (6152662516).

The spelling of 1042240115 in words is "one billion, forty-two million, two hundred forty thousand, one hundred fifteen".

Divisors: 1 5 7 35 29778289 148891445 208448023 1042240115