Search a number
-
+
1029145 = 51371223
BaseRepresentation
bin11111011010000011001
31221021201111
43323100121
5230413040
634020321
711514265
oct3732031
91837644
101029145
11643237
124176a1
132a0580
141cb0a5
15154dea
hexfb419

1029145 has 16 divisors (see below), whose sum is σ = 1354752. Its totient is φ = 745920.

The previous prime is 1029139. The next prime is 1029151. The reversal of 1029145 is 5419201.

It is an interprime number because it is at equal distance from previous prime (1029139) and next prime (1029151).

It is not a de Polignac number, because 1029145 - 25 = 1029113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4504 + ... + 4726.

It is an arithmetic number, because the mean of its divisors is an integer number (84672).

21029145 is an apocalyptic number.

It is an amenable number.

1029145 is a deficient number, since it is larger than the sum of its proper divisors (325607).

1029145 is a wasteful number, since it uses less digits than its factorization.

1029145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1029145 is about 1014.4678407914. The cubic root of 1029145 is about 100.9622117892.

The spelling of 1029145 in words is "one million, twenty-nine thousand, one hundred forty-five".

Divisors: 1 5 13 65 71 223 355 923 1115 2899 4615 14495 15833 79165 205829 1029145