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1490160317 = 2364789579
BaseRepresentation
bin101100011010010…
…0000101010111101
310211211222222122212
41120310200222331
511022440112232
6403511150205
751633103502
oct13064405275
93754888585
101490160317
116a517a558
12357075365
131a9958689
14101ca14a9
158ac53eb2
hex58d20abd

1490160317 has 4 divisors (see below), whose sum is σ = 1554949920. Its totient is φ = 1425370716.

The previous prime is 1490160307. The next prime is 1490160323. The reversal of 1490160317 is 7130610941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1490160317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490160307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32394767 + ... + 32394812.

It is an arithmetic number, because the mean of its divisors is an integer number (388737480).

Almost surely, 21490160317 is an apocalyptic number.

It is an amenable number.

1490160317 is a deficient number, since it is larger than the sum of its proper divisors (64789603).

1490160317 is an equidigital number, since it uses as much as digits as its factorization.

1490160317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64789602.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1490160317 is about 38602.5946925851. The cubic root of 1490160317 is about 1142.2057215704.

The spelling of 1490160317 in words is "one billion, four hundred ninety million, one hundred sixty thousand, three hundred seventeen".

Divisors: 1 23 64789579 1490160317