Search a number
-
+
985030301 = 3131775171
BaseRepresentation
bin111010101101100…
…101111010011101
32112122111201112202
4322231211322131
54004131432201
6241424341245
733260422313
oct7255457235
92478451482
10985030301
11466029932
12235a74825
131290c8588
1494b720b3
155b725c6b
hex3ab65e9d

985030301 has 4 divisors (see below), whose sum is σ = 1016805504. Its totient is φ = 953255100.

The previous prime is 985030279. The next prime is 985030309. The reversal of 985030301 is 103030589.

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 not a de Polignac number, because 985030301 - 26 = 985030237 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985030309) 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 3 ways as a sum of consecutive naturals, for example, 15887555 + ... + 15887616.

It is an arithmetic number, because the mean of its divisors is an integer number (254201376).

Almost surely, 2985030301 is an apocalyptic number.

It is an amenable number.

985030301 is a deficient number, since it is larger than the sum of its proper divisors (31775203).

985030301 is a wasteful number, since it uses less digits than its factorization.

985030301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31775202.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 985030301 is about 31385.1923843076. The cubic root of 985030301 is about 994.9849920718.

The spelling of 985030301 in words is "nine hundred eighty-five million, thirty thousand, three hundred one".

Divisors: 1 31 31775171 985030301