Search a number
-
+
149910898 = 2131572179
BaseRepresentation
bin10001110111101…
…11010101110010
3101110002021002111
420323313111302
5301334122043
622513035534
73500136004
oct1073672562
9343067074
10149910898
1177691305
1242255baa
132509a497
1415ca4374
15d26309d
hex8ef7572

149910898 has 8 divisors (see below), whose sum is σ = 226583280. Its totient is φ = 74383140.

The previous prime is 149910869. The next prime is 149910899. The reversal of 149910898 is 898019941.

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

It is not an unprimeable number, because it can be changed into a prime (149910899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285828 + ... + 286351.

It is an arithmetic number, because the mean of its divisors is an integer number (28322910).

Almost surely, 2149910898 is an apocalyptic number.

149910898 is a deficient number, since it is larger than the sum of its proper divisors (76672382).

149910898 is a wasteful number, since it uses less digits than its factorization.

149910898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572312.

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 149910898 is about 12243.8105996458. The cubic root of 149910898 is about 531.2240581934.

The spelling of 149910898 in words is "one hundred forty-nine million, nine hundred ten thousand, eight hundred ninety-eight".

Divisors: 1 2 131 262 572179 1144358 74955449 149910898