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150530405 = 540973609
BaseRepresentation
bin10001111100011…
…10100101100101
3101111020201220012
420332032211211
5302013433110
622534220005
73505326104
oct1076164545
9344221805
10150530405
1177a747a3
12424b4605
132525645c
1415dc603b
15d336905
hex8f8e965

150530405 has 8 divisors (see below), whose sum is σ = 181080600. Its totient is φ = 120128256.

The previous prime is 150530399. The next prime is 150530411. The reversal of 150530405 is 504035051.

It is an interprime number because it is at equal distance from previous prime (150530399) and next prime (150530411).

It can be written as a sum of positive squares in 4 ways, for example, as 8014561 + 142515844 = 2831^2 + 11938^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 150530405 - 212 = 150526309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34760 + ... + 38849.

It is an arithmetic number, because the mean of its divisors is an integer number (22635075).

Almost surely, 2150530405 is an apocalyptic number.

It is an amenable number.

150530405 is a deficient number, since it is larger than the sum of its proper divisors (30550195).

150530405 is an equidigital number, since it uses as much as digits as its factorization.

150530405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74023.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 150530405 is about 12269.0832990896. The cubic root of 150530405 is about 531.9548138926.

Adding to 150530405 its reverse (504035051), we get a palindrome (654565456).

The spelling of 150530405 in words is "one hundred fifty million, five hundred thirty thousand, four hundred five".

Divisors: 1 5 409 2045 73609 368045 30106081 150530405