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1042048618 = 21340078793
BaseRepresentation
bin111110000111000…
…110011001101010
32200121210112222021
4332013012121222
54113231023433
6251222415054
734552160422
oct7607063152
92617715867
101042048618
11495233606
12250b9148a
13137b70320
149c575482
156173a22d
hex3e1c666a

1042048618 has 8 divisors (see below), whose sum is σ = 1683309348. Its totient is φ = 480945504.

The previous prime is 1042048607. The next prime is 1042048669. The reversal of 1042048618 is 8168402401.

It can be written as a sum of positive squares in 2 ways, for example, as 904385329 + 137663289 = 30073^2 + 11733^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20039371 + ... + 20039422.

Almost surely, 21042048618 is an apocalyptic number.

1042048618 is a deficient number, since it is larger than the sum of its proper divisors (641260730).

1042048618 is a wasteful number, since it uses less digits than its factorization.

1042048618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40078808.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 1042048618 is about 32280.7778406903. Note that the first 3 decimals coincide. The cubic root of 1042048618 is about 1013.8242163971.

The spelling of 1042048618 in words is "one billion, forty-two million, forty-eight thousand, six hundred eighteen".

Divisors: 1 2 13 26 40078793 80157586 521024309 1042048618