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150135397 = 197901863
BaseRepresentation
bin10001111001011…
…10001001100101
3101110111200001021
420330232021211
5301413313042
622521531141
73502062346
oct1074561145
9343450037
10150135397
1177824a45
1242343ab1
1325148719
1415d220cd
15d2a9867
hex8f2e265

150135397 has 4 divisors (see below), whose sum is σ = 158037280. Its totient is φ = 142233516.

The previous prime is 150135383. The next prime is 150135413. The reversal of 150135397 is 793531051.

150135397 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: 793531051 = 3472286833.

It is a cyclic number.

It is not a de Polignac number, because 150135397 - 27 = 150135269 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 (150135367) 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, 3950913 + ... + 3950950.

It is an arithmetic number, because the mean of its divisors is an integer number (39509320).

Almost surely, 2150135397 is an apocalyptic number.

It is an amenable number.

150135397 is a deficient number, since it is larger than the sum of its proper divisors (7901883).

150135397 is an equidigital number, since it uses as much as digits as its factorization.

150135397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901882.

The product of its (nonzero) digits is 14175, while the sum is 34.

The square root of 150135397 is about 12252.9750264987. The cubic root of 150135397 is about 531.4891040500.

The spelling of 150135397 in words is "one hundred fifty million, one hundred thirty-five thousand, three hundred ninety-seven".

Divisors: 1 19 7901863 150135397