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150229221 = 31717317027
BaseRepresentation
bin10001111010001…
…01000011100101
3101110200102202020
420331011003211
5301424313341
622523533353
73502633032
oct1075050345
9343612666
10150229221
117788948a
124238a259
132517c33c
1415d48389
15d2c7566
hex8f450e5

150229221 has 16 divisors (see below), whose sum is σ = 213326784. Its totient is φ = 93711104.

The previous prime is 150229217. The next prime is 150229243. The reversal of 150229221 is 122922051.

It is a cyclic number.

It is not a de Polignac number, because 150229221 - 22 = 150229217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150229191 and 150229200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150229201) 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 15 ways as a sum of consecutive naturals, for example, 310 + ... + 17336.

It is an arithmetic number, because the mean of its divisors is an integer number (13332924).

Almost surely, 2150229221 is an apocalyptic number.

It is an amenable number.

150229221 is a deficient number, since it is larger than the sum of its proper divisors (63097563).

150229221 is a wasteful number, since it uses less digits than its factorization.

150229221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17220.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 150229221 is about 12256.8030497353. The cubic root of 150229221 is about 531.5997953563.

The spelling of 150229221 in words is "one hundred fifty million, two hundred twenty-nine thousand, two hundred twenty-one".

Divisors: 1 3 17 51 173 519 2941 8823 17027 51081 289459 868377 2945671 8837013 50076407 150229221