Search a number
-
+
1029590439 = 31315095147
BaseRepresentation
bin111101010111100…
…100110110100111
32122202100121120020
4331113210312213
54102033343224
6250055410223
734341242253
oct7527446647
92582317506
101029590439
114891a4599
12248983973
131353ca917
149aa51263
15605c8c79
hex3d5e4da7

1029590439 has 16 divisors (see below), whose sum is σ = 1386253440. Its totient is φ = 679683680.

The previous prime is 1029590371. The next prime is 1029590459. The reversal of 1029590439 is 9340959201.

It is a cyclic number.

It is not a de Polignac number, because 1029590439 - 27 = 1029590311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1029590439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029590459) 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, 197464 + ... + 202610.

It is an arithmetic number, because the mean of its divisors is an integer number (86640840).

Almost surely, 21029590439 is an apocalyptic number.

1029590439 is a deficient number, since it is larger than the sum of its proper divisors (356663001).

1029590439 is a wasteful number, since it uses less digits than its factorization.

1029590439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 1029590439 is about 32087.2317129415. The cubic root of 1029590439 is about 1009.7677598889.

The spelling of 1029590439 in words is "one billion, twenty-nine million, five hundred ninety thousand, four hundred thirty-nine".

Divisors: 1 3 131 393 509 1527 5147 15441 66679 200037 674257 2022771 2619823 7859469 343196813 1029590439