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150506553 = 350168851
BaseRepresentation
bin10001111100010…
…00110000111001
3101111012112011210
420332020300321
5302012202203
622533513333
73505166421
oct1076106071
9344175153
10150506553
1177a5888a
12424a2849
1325248642
1415dbb481
15d32e803
hex8f88c39

150506553 has 4 divisors (see below), whose sum is σ = 200675408. Its totient is φ = 100337700.

The previous prime is 150506527. The next prime is 150506561. The reversal of 150506553 is 355605051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 150506553 - 214 = 150490169 is a prime.

It is a Duffinian number.

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 150506553.

It is not an unprimeable number, because it can be changed into a prime (150506453) 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 3 ways as a sum of consecutive naturals, for example, 25084423 + ... + 25084428.

It is an arithmetic number, because the mean of its divisors is an integer number (50168852).

Almost surely, 2150506553 is an apocalyptic number.

It is an amenable number.

150506553 is a deficient number, since it is larger than the sum of its proper divisors (50168855).

150506553 is an equidigital number, since it uses as much as digits as its factorization.

150506553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50168854.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 150506553 is about 12268.1112238193. Note that the first 3 decimals coincide. The cubic root of 150506553 is about 531.9267157897.

The spelling of 150506553 in words is "one hundred fifty million, five hundred six thousand, five hundred fifty-three".

Divisors: 1 3 50168851 150506553