Search a number
-
+
149203061 = 780926347
BaseRepresentation
bin10001110010010…
…10100001110101
3101101202022010022
420321022201311
5301143444221
622445534525
73461130230
oct1071124165
9341668108
10149203061
1177248517
1241b74445
1324bb0247
1415b5c417
15d1734ab
hex8e4a875

149203061 has 8 divisors (see below), whose sum is σ = 170735040. Its totient is φ = 127725408.

The previous prime is 149203049. The next prime is 149203063. The reversal of 149203061 is 160302941.

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 149203061 - 26 = 149202997 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149203061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149203063) 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, 7511 + ... + 18836.

It is an arithmetic number, because the mean of its divisors is an integer number (21341880).

Almost surely, 2149203061 is an apocalyptic number.

It is an amenable number.

149203061 is a deficient number, since it is larger than the sum of its proper divisors (21531979).

149203061 is an equidigital number, since it uses as much as digits as its factorization.

149203061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27163.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 149203061 is about 12214.8704864194. The cubic root of 149203061 is about 530.3866420432.

The spelling of 149203061 in words is "one hundred forty-nine million, two hundred three thousand, sixty-one".

Divisors: 1 7 809 5663 26347 184429 21314723 149203061