Search a number
-
+
1027374945 = 35107640109
BaseRepresentation
bin111101001111000…
…111111101100001
32122121012001110220
4331033013331201
54101001444240
6245540113253
734313354142
oct7517077541
92577161426
101027374945
11487a21003
12248095829
13134b0338c
149a635ac9
15602dc5d0
hex3d3c7f61

1027374945 has 16 divisors (see below), whose sum is σ = 1659165120. Its totient is φ = 542811584.

The previous prime is 1027374941. The next prime is 1027374947. The reversal of 1027374945 is 5494737201.

It is a cyclic number.

It is not a de Polignac number, because 1027374945 - 22 = 1027374941 is a prime.

It is a super-2 number, since 2×10273749452 = 2110998555227506050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1027374897 and 1027374906.

It is not an unprimeable number, because it can be changed into a prime (1027374941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318450 + ... + 321659.

It is an arithmetic number, because the mean of its divisors is an integer number (103697820).

Almost surely, 21027374945 is an apocalyptic number.

1027374945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1027374945 is a deficient number, since it is larger than the sum of its proper divisors (631790175).

1027374945 is a wasteful number, since it uses less digits than its factorization.

1027374945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640224.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 1027374945 is about 32052.6901367108. The cubic root of 1027374945 is about 1009.0429600439.

The spelling of 1027374945 in words is "one billion, twenty-seven million, three hundred seventy-four thousand, nine hundred forty-five".

Divisors: 1 3 5 15 107 321 535 1605 640109 1920327 3200545 9601635 68491663 205474989 342458315 1027374945