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149809327 = 2312751287
BaseRepresentation
bin10001110110111…
…10100010101111
3101102220002202121
420323132202233
5301322344302
622510533411
73466233613
oct1073364257
9342802677
10149809327
1177621a68
1242207267
1325063195
1415c79343
15d242e37
hex8ede8af

149809327 has 8 divisors (see below), whose sum is σ = 157556736. Its totient is φ = 142164792.

The previous prime is 149809223. The next prime is 149809333. The reversal of 149809327 is 723908941.

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 149809327 - 27 = 149809199 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 (149809427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22723 + ... + 28564.

It is an arithmetic number, because the mean of its divisors is an integer number (19694592).

Almost surely, 2149809327 is an apocalyptic number.

149809327 is a deficient number, since it is larger than the sum of its proper divisors (7747409).

149809327 is a wasteful number, since it uses less digits than its factorization.

149809327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51437.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 149809327 is about 12239.6620459880. The cubic root of 149809327 is about 531.1040554670.

The spelling of 149809327 in words is "one hundred forty-nine million, eight hundred nine thousand, three hundred twenty-seven".

Divisors: 1 23 127 2921 51287 1179601 6513449 149809327