Search a number
-
+
1027947434 = 24756919219
BaseRepresentation
bin111101010001010…
…011101110101010
32122122021010210012
4331101103232222
54101123304214
6250000251522
734321260203
oct7521235652
92578233705
101027947434
11488282138
12248310ba2
13134c73b27
149a7445aa
15603a203e
hex3d453baa

1027947434 has 16 divisors (see below), whose sum is σ = 1577577600. Its totient is φ = 502127904.

The previous prime is 1027947413. The next prime is 1027947439. The reversal of 1027947434 is 4347497201.

It is a junction number, because it is equal to n+sod(n) for n = 1027947391 and 1027947400.

It is not an unprimeable number, because it can be changed into a prime (1027947439) 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, 43877 + ... + 63095.

It is an arithmetic number, because the mean of its divisors is an integer number (98598600).

Almost surely, 21027947434 is an apocalyptic number.

1027947434 is a deficient number, since it is larger than the sum of its proper divisors (549630166).

1027947434 is a wasteful number, since it uses less digits than its factorization.

1027947434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19837.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 1027947434 is about 32061.6193290358. The cubic root of 1027947434 is about 1009.2303498353.

The spelling of 1027947434 in words is "one billion, twenty-seven million, nine hundred forty-seven thousand, four hundred thirty-four".

Divisors: 1 2 47 94 569 1138 19219 26743 38438 53486 903293 1806586 10935611 21871222 513973717 1027947434