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149168307 = 354191909
BaseRepresentation
bin10001110010000…
…10000010110011
3101101200112110010
420321002002303
5301141341212
622445110003
73460624011
oct1071020263
9341615403
10149168307
11772243a2
1241b58303
1324b9a492
1415b4d8b1
15d16803c
hex8e420b3

149168307 has 8 divisors (see below), whose sum is σ = 199260880. Its totient is φ = 99260640.

The previous prime is 149168303. The next prime is 149168321. The reversal of 149168307 is 703861941.

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

It is not a de Polignac number, because 149168307 - 22 = 149168303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149168303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44332 + ... + 47577.

It is an arithmetic number, because the mean of its divisors is an integer number (24907610).

Almost surely, 2149168307 is an apocalyptic number.

149168307 is a deficient number, since it is larger than the sum of its proper divisors (50092573).

149168307 is an equidigital number, since it uses as much as digits as its factorization.

149168307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92453.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 149168307 is about 12213.4477933137. The cubic root of 149168307 is about 530.3454577033.

The spelling of 149168307 in words is "one hundred forty-nine million, one hundred sixty-eight thousand, three hundred seven".

Divisors: 1 3 541 1623 91909 275727 49722769 149168307