Search a number
-
+
159480997 = 1323475227
BaseRepresentation
bin10011000000101…
…11110010100101
3102010002110210121
421200113302211
5311311342442
623454121541
73644365114
oct1140276245
9363073717
10159480997
1182028485
12454b02b1
132706b470
1417275c7b
15e003967
hex9817ca5

159480997 has 8 divisors (see below), whose sum is σ = 171854816. Its totient is φ = 147122352.

The previous prime is 159480991. The next prime is 159481001. The reversal of 159480997 is 799084951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 159480997 - 219 = 158956709 is a prime.

It is a super-2 number, since 2×1594809972 = 50868376808228018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159480991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27898 + ... + 33124.

It is an arithmetic number, because the mean of its divisors is an integer number (21481852).

Almost surely, 2159480997 is an apocalyptic number.

It is an amenable number.

159480997 is a deficient number, since it is larger than the sum of its proper divisors (12373819).

159480997 is a wasteful number, since it uses less digits than its factorization.

159480997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 159480997 is about 12628.5785819307. The cubic root of 159480997 is about 542.2958912768.

The spelling of 159480997 in words is "one hundred fifty-nine million, four hundred eighty thousand, nine hundred ninety-seven".

Divisors: 1 13 2347 5227 30511 67951 12267769 159480997