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150434123 = 721490589
BaseRepresentation
bin10001111011101…
…11000101001011
3101111001211211012
420331313011023
5302002342443
622532154135
73504445310
oct1075670513
9344054735
10150434123
1177a09424
124246894b
1325221698
1415d9cd07
15d318118
hex8f7714b

150434123 has 4 divisors (see below), whose sum is σ = 171924720. Its totient is φ = 128943528.

The previous prime is 150434057. The next prime is 150434131. The reversal of 150434123 is 321434051.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 150434123 - 214 = 150417739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150434143) 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, 10745288 + ... + 10745301.

It is an arithmetic number, because the mean of its divisors is an integer number (42981180).

Almost surely, 2150434123 is an apocalyptic number.

150434123 is a deficient number, since it is larger than the sum of its proper divisors (21490597).

150434123 is an equidigital number, since it uses as much as digits as its factorization.

150434123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21490596.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 150434123 is about 12265.1589064308. The cubic root of 150434123 is about 531.8413736938.

Adding to 150434123 its reverse (321434051), we get a palindrome (471868174).

The spelling of 150434123 in words is "one hundred fifty million, four hundred thirty-four thousand, one hundred twenty-three".

Divisors: 1 7 21490589 150434123