Search a number
-
+
151431017 = 5310128289
BaseRepresentation
bin10010000011010…
…10011101101001
3101112221111022012
421001222131221
5302231243032
623005405305
73516066563
oct1101523551
9345844265
10151431017
117852a401
1242869835
13254b036a
141617c333
15d4636b2
hex906a769

151431017 has 8 divisors (see below), whose sum is σ = 155821320. Its totient is φ = 147097600.

The previous prime is 151431013. The next prime is 151431041. The reversal of 151431017 is 710134151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 116985856 + 34445161 = 10816^2 + 5869^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 151431017 - 22 = 151431013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151430983 and 151431001.

It is not an unprimeable number, because it can be changed into a prime (151431013) 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, 8792 + ... + 19497.

It is an arithmetic number, because the mean of its divisors is an integer number (19477665).

Almost surely, 2151431017 is an apocalyptic number.

It is an amenable number.

151431017 is a deficient number, since it is larger than the sum of its proper divisors (4390303).

151431017 is a wasteful number, since it uses less digits than its factorization.

151431017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28443.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 151431017 is about 12305.7310632079. The cubic root of 151431017 is about 533.0135869450.

Adding to 151431017 its reverse (710134151), we get a palindrome (861565168).

The spelling of 151431017 in words is "one hundred fifty-one million, four hundred thirty-one thousand, seventeen".

Divisors: 1 53 101 5353 28289 1499317 2857189 151431017