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150243025 = 52173371049
BaseRepresentation
bin10001111010010…
…00011011010001
3101110201010200111
420331020123101
5301430234100
622524121321
73503021212
oct1075103321
9343633614
10150243025
1177898899
1242396241
13251856ca
1415d4d409
15d2cb6ba
hex8f486d1

150243025 has 24 divisors (see below), whose sum is σ = 198034200. Its totient is φ = 112680960.

The previous prime is 150243001. The next prime is 150243043. The reversal of 150243025 is 520342051.

It can be written as a sum of positive squares in 12 ways, for example, as 10601536 + 139641489 = 3256^2 + 11817^2 .

It is not a de Polignac number, because 150243025 - 211 = 150240977 is a prime.

It is a super-2 number, since 2×1502430252 = 45145933122301250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150242987 and 150243005.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 142701 + ... + 143749.

It is an arithmetic number, because the mean of its divisors is an integer number (8251425).

Almost surely, 2150243025 is an apocalyptic number.

It is an amenable number.

150243025 is a deficient number, since it is larger than the sum of its proper divisors (47791175).

150243025 is a wasteful number, since it uses less digits than its factorization.

150243025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 150243025 is about 12257.3661526447. The cubic root of 150243025 is about 531.6160770951.

Adding to 150243025 its reverse (520342051), we get a palindrome (670585076).

The spelling of 150243025 in words is "one hundred fifty million, two hundred forty-three thousand, twenty-five".

Divisors: 1 5 17 25 85 337 425 1049 1685 5245 5729 8425 17833 26225 28645 89165 143225 353513 445825 1767565 6009721 8837825 30048605 150243025