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150230557 = 314846147
BaseRepresentation
bin10001111010001…
…01011000011101
3101110200111120201
420331011120131
5301424334212
622523543501
73502636651
oct1075053035
9343614521
10150230557
117788a494
124238ab91
132517cb29
1415d48a61
15d2c7b57
hex8f4561d

150230557 has 4 divisors (see below), whose sum is σ = 155076736. Its totient is φ = 145384380.

The previous prime is 150230539. The next prime is 150230573. The reversal of 150230557 is 755032051.

150230557 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.

It is a cyclic number.

It is not a de Polignac number, because 150230557 - 211 = 150228509 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 (150230657) 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, 2423043 + ... + 2423104.

It is an arithmetic number, because the mean of its divisors is an integer number (38769184).

Almost surely, 2150230557 is an apocalyptic number.

150230557 is the 7077-th hex number.

It is an amenable number.

150230557 is a deficient number, since it is larger than the sum of its proper divisors (4846179).

150230557 is an equidigital number, since it uses as much as digits as its factorization.

150230557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846178.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 150230557 is about 12256.8575499595. The cubic root of 150230557 is about 531.6013712042.

The spelling of 150230557 in words is "one hundred fifty million, two hundred thirty thousand, five hundred fifty-seven".

Divisors: 1 31 4846147 150230557