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1238268946 = 21633798371
BaseRepresentation
bin100100111001110…
…0111110000010010
310012022000120122211
41021303213300102
510013444101241
6322512222334
742454053355
oct11163476022
93168016584
101238268946
11585a74872
122a683a9aa
13169703125
14ba65229c
1573a99781
hex49ce7c12

1238268946 has 8 divisors (see below), whose sum is σ = 1868799024. Its totient is φ = 615335940.

The previous prime is 1238268907. The next prime is 1238268953. The reversal of 1238268946 is 6498628321.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1238268946.

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, 1898860 + ... + 1899511.

It is an arithmetic number, because the mean of its divisors is an integer number (233599878).

Almost surely, 21238268946 is an apocalyptic number.

1238268946 is a deficient number, since it is larger than the sum of its proper divisors (630530078).

1238268946 is a wasteful number, since it uses less digits than its factorization.

1238268946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798536.

The product of its digits is 995328, while the sum is 49.

The square root of 1238268946 is about 35189.0458239492. The cubic root of 1238268946 is about 1073.8369092793.

The spelling of 1238268946 in words is "one billion, two hundred thirty-eight million, two hundred sixty-eight thousand, nine hundred forty-six".

Divisors: 1 2 163 326 3798371 7596742 619134473 1238268946