Search a number
-
+
149050811 = 7133674463
BaseRepresentation
bin10001110001001…
…01010110111011
3101101110120021102
420320211112323
5301124111221
622442402015
73456624320
oct1070452673
9341416242
10149050811
1177154098
1241b0030b
1324b58b60
1415b1cb47
15d14330b
hex8e255bb

149050811 has 16 divisors (see below), whose sum is σ = 183988224. Its totient is φ = 117582624.

The previous prime is 149050789. The next prime is 149050817. The reversal of 149050811 is 118050941.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-149050811 is a prime.

It is a super-2 number, since 2×1490508112 = 44432288519515442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149050817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31166 + ... + 35628.

It is an arithmetic number, because the mean of its divisors is an integer number (11499264).

Almost surely, 2149050811 is an apocalyptic number.

149050811 is a deficient number, since it is larger than the sum of its proper divisors (34937413).

149050811 is a wasteful number, since it uses less digits than its factorization.

149050811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 149050811 is about 12208.6367379818. The cubic root of 149050811 is about 530.2061746808.

The spelling of 149050811 in words is "one hundred forty-nine million, fifty thousand, eight hundred eleven".

Divisors: 1 7 13 91 367 2569 4463 4771 31241 33397 58019 406133 1637921 11465447 21292973 149050811