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150505361 = 612467301
BaseRepresentation
bin10001111100010…
…00011110010001
3101111012110112122
420332020132101
5302012132421
622533504025
73505163066
oct1076103621
9344173478
10150505361
1177a579a6
12424a2015
1325247c36
1415dbac6d
15d32e2ab
hex8f88791

150505361 has 4 divisors (see below), whose sum is σ = 152972724. Its totient is φ = 148038000.

The previous prime is 150505357. The next prime is 150505363. The reversal of 150505361 is 163505051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163505051 = 198605529.

It can be written as a sum of positive squares in 2 ways, for example, as 84180625 + 66324736 = 9175^2 + 8144^2 .

It is a cyclic number.

It is not a de Polignac number, because 150505361 - 22 = 150505357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150505361.

It is not an unprimeable number, because it can be changed into a prime (150505363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233590 + ... + 1233711.

It is an arithmetic number, because the mean of its divisors is an integer number (38243181).

Almost surely, 2150505361 is an apocalyptic number.

It is an amenable number.

150505361 is a deficient number, since it is larger than the sum of its proper divisors (2467363).

150505361 is an equidigital number, since it uses as much as digits as its factorization.

150505361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467362.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 150505361 is about 12268.0626424876. The cubic root of 150505361 is about 531.9253115134.

The spelling of 150505361 in words is "one hundred fifty million, five hundred five thousand, three hundred sixty-one".

Divisors: 1 61 2467301 150505361