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150014321 = 1071402003
BaseRepresentation
bin10001111000100…
…00100101110001
3101110021111221222
420330100211301
5301400424241
622515154425
73501046352
oct1074204561
9343244858
10150014321
1177751a86
12422a5a15
1325105592
1415ccdd29
15d283a4b
hex8f10971

150014321 has 4 divisors (see below), whose sum is σ = 151416432. Its totient is φ = 148612212.

The previous prime is 150014299. The next prime is 150014339. The reversal of 150014321 is 123410051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123410051 = 294255519.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-150014321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150014321.

It is not an unprimeable number, because it can be changed into a prime (150011321) 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, 700895 + ... + 701108.

It is an arithmetic number, because the mean of its divisors is an integer number (37854108).

Almost surely, 2150014321 is an apocalyptic number.

It is an amenable number.

150014321 is a deficient number, since it is larger than the sum of its proper divisors (1402111).

150014321 is a wasteful number, since it uses less digits than its factorization.

150014321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402110.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 150014321 is about 12248.0333523387. The cubic root of 150014321 is about 531.3461933125.

Adding to 150014321 its reverse (123410051), we get a palindrome (273424372).

The spelling of 150014321 in words is "one hundred fifty million, fourteen thousand, three hundred twenty-one".

Divisors: 1 107 1402003 150014321