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150312903 = 31328313619
BaseRepresentation
bin10001111010110…
…01011111000111
3101110211200112120
420331121133013
5301440003103
622525421023
73503432016
oct1075313707
9343750476
10150312903
1177936344
124240a773
13251ab460
1415d6aa7d
15d2e2253
hex8f597c7

150312903 has 16 divisors (see below), whose sum is σ = 216612480. Its totient is φ = 92166624.

The previous prime is 150312881. The next prime is 150312949. The reversal of 150312903 is 309213051.

It is a happy number.

It is not a de Polignac number, because 150312903 - 25 = 150312871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150312973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4228 + ... + 17846.

It is an arithmetic number, because the mean of its divisors is an integer number (13538280).

Almost surely, 2150312903 is an apocalyptic number.

150312903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

150312903 is a deficient number, since it is larger than the sum of its proper divisors (66299577).

150312903 is a wasteful number, since it uses less digits than its factorization.

150312903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13918.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 150312903 is about 12260.2162705231. The cubic root of 150312903 is about 531.6984824969.

Adding to 150312903 its reverse (309213051), we get a palindrome (459525954).

The spelling of 150312903 in words is "one hundred fifty million, three hundred twelve thousand, nine hundred three".

Divisors: 1 3 13 39 283 849 3679 11037 13619 40857 177047 531141 3854177 11562531 50104301 150312903