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150421315 = 511832397
BaseRepresentation
bin10001111011100…
…11111101000011
3101111001012020211
420331303331003
5302001440230
622532014551
73504363052
oct1075637503
9344035224
10150421315
11779aa840
1242461457
13252188c5
1415d98399
15d31442a
hex8f73f43

150421315 has 24 divisors (see below), whose sum is σ = 199818288. Its totient is φ = 107807040.

The previous prime is 150421279. The next prime is 150421319. The reversal of 150421315 is 513124051.

It is a happy number.

It is not a de Polignac number, because 150421315 - 215 = 150388547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150421319) 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 23 ways as a sum of consecutive naturals, for example, 378697 + ... + 379093.

It is an arithmetic number, because the mean of its divisors is an integer number (8325762).

Almost surely, 2150421315 is an apocalyptic number.

150421315 is a deficient number, since it is larger than the sum of its proper divisors (49396973).

150421315 is an equidigital number, since it uses as much as digits as its factorization.

150421315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 150421315 is about 12264.6367659218. The cubic root of 150421315 is about 531.8262795616.

Adding to 150421315 its reverse (513124051), we get a palindrome (663545366).

The spelling of 150421315 in words is "one hundred fifty million, four hundred twenty-one thousand, three hundred fifteen".

Divisors: 1 5 11 55 83 397 415 913 1985 4367 4565 6889 21835 32951 34445 75779 164755 362461 378895 1812305 2734933 13674665 30084263 150421315