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150505243 = 7167128747
BaseRepresentation
bin10001111100010…
…00011100011011
3101111012110101021
420332020130123
5302012131433
622533503311
73505162540
oct1076103433
9344173337
10150505243
1177a578a9
12424a1b37
1325247b75
1415dbabc7
15d32e22d
hex8f8871b

150505243 has 8 divisors (see below), whose sum is σ = 173037312. Its totient is φ = 128231016.

The previous prime is 150505241. The next prime is 150505247. The reversal of 150505243 is 342505051.

150505243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 150505243 - 21 = 150505241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150505241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63205 + ... + 65542.

It is an arithmetic number, because the mean of its divisors is an integer number (21629664).

Almost surely, 2150505243 is an apocalyptic number.

150505243 is a deficient number, since it is larger than the sum of its proper divisors (22532069).

150505243 is a wasteful number, since it uses less digits than its factorization.

150505243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128921.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 150505243 is about 12268.0578332514. The cubic root of 150505243 is about 531.9251724991.

The spelling of 150505243 in words is "one hundred fifty million, five hundred five thousand, two hundred forty-three".

Divisors: 1 7 167 1169 128747 901229 21500749 150505243