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153040211 = 312163977
BaseRepresentation
bin10010001111100…
…11010101010011
3101122222020200222
421013303111103
5303134241321
623104103255
73535551242
oct1107632523
9348866628
10153040211
1179429415
1243304b2b
132592494c
141647a959
15d6803ab
hex91f3553

153040211 has 12 divisors (see below), whose sum is σ = 159269256. Its totient is φ = 147044160.

The previous prime is 153040157. The next prime is 153040241. The reversal of 153040211 is 112040351.

It is not a de Polignac number, because 153040211 - 226 = 85931347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153040211.

It is not an unprimeable number, because it can be changed into a prime (153040241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156155 + ... + 157131.

It is an arithmetic number, because the mean of its divisors is an integer number (13272438).

Almost surely, 2153040211 is an apocalyptic number.

153040211 is a deficient number, since it is larger than the sum of its proper divisors (6229045).

153040211 is an equidigital number, since it uses as much as digits as its factorization.

153040211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 153040211 is about 12370.9422034055. The cubic root of 153040211 is about 534.8949757450.

Adding to 153040211 its reverse (112040351), we get a palindrome (265080562).

The spelling of 153040211 in words is "one hundred fifty-three million, forty thousand, two hundred eleven".

Divisors: 1 31 163 961 977 5053 30287 156643 159251 938897 4936781 153040211