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150150449 = 1271182287
BaseRepresentation
bin10001111001100…
…01110100110001
3101110112102200202
420330301310301
5301414303244
622522124545
73502154261
oct1074616461
9343472622
10150150449
1177835289
1242350755
1325152527
1415d277a1
15d2ae04e
hex8f31d31

150150449 has 4 divisors (see below), whose sum is σ = 151332864. Its totient is φ = 148968036.

The previous prime is 150150439. The next prime is 150150467. The reversal of 150150449 is 944051051.

150150449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 944051051 = 2101344927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-150150449 is a prime.

It is a super-3 number, since 3×1501504493 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150150439) 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, 591017 + ... + 591270.

It is an arithmetic number, because the mean of its divisors is an integer number (37833216).

Almost surely, 2150150449 is an apocalyptic number.

It is an amenable number.

150150449 is a deficient number, since it is larger than the sum of its proper divisors (1182415).

150150449 is a wasteful number, since it uses less digits than its factorization.

150150449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182414.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 150150449 is about 12253.5892292830. The cubic root of 150150449 is about 531.5068651439.

The spelling of 150150449 in words is "one hundred fifty million, one hundred fifty thousand, four hundred forty-nine".

Divisors: 1 127 1182287 150150449