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150414221 = 337446333
BaseRepresentation
bin10001111011100…
…10001110001101
3101111000211112002
420331302032031
5302001223341
622531522045
73504333266
oct1075621615
9344024462
10150414221
11779a5481
1242459325
13252155c9
1415d9596d
15d31229b
hex8f7238d

150414221 has 4 divisors (see below), whose sum is σ = 150860892. Its totient is φ = 149967552.

The previous prime is 150414197. The next prime is 150414233. The reversal of 150414221 is 122414051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122414051 = 316738653.

It can be written as a sum of positive squares in 2 ways, for example, as 106708900 + 43705321 = 10330^2 + 6611^2 .

It is a cyclic number.

It is not a de Polignac number, because 150414221 - 214 = 150397837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150414193 and 150414202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150414721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222830 + ... + 223503.

It is an arithmetic number, because the mean of its divisors is an integer number (37715223).

Almost surely, 2150414221 is an apocalyptic number.

It is an amenable number.

150414221 is a deficient number, since it is larger than the sum of its proper divisors (446671).

150414221 is an equidigital number, since it uses as much as digits as its factorization.

150414221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446670.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 150414221 is about 12264.3475570452. The cubic root of 150414221 is about 531.8179189669.

Adding to 150414221 its reverse (122414051), we get a palindrome (272828272).

The spelling of 150414221 in words is "one hundred fifty million, four hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 337 446333 150414221