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149324945 = 5711387857
BaseRepresentation
bin10001110011010…
…00010010010001
3101101222111022112
420321220102101
5301211344240
622452315105
73462145460
oct1071502221
9341874275
10149324945
1177321050
1242012a95
1324c23873
1415b909d7
15d199665
hex8e68491

149324945 has 16 divisors (see below), whose sum is σ = 223406208. Its totient is φ = 93085440.

The previous prime is 149324941. The next prime is 149324951. The reversal of 149324945 is 549423941.

It is not a de Polignac number, because 149324945 - 22 = 149324941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149324941) 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 15 ways as a sum of consecutive naturals, for example, 193544 + ... + 194313.

It is an arithmetic number, because the mean of its divisors is an integer number (13962888).

Almost surely, 2149324945 is an apocalyptic number.

It is an amenable number.

149324945 is a deficient number, since it is larger than the sum of its proper divisors (74081263).

149324945 is a wasteful number, since it uses less digits than its factorization.

149324945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387880.

The product of its digits is 155520, while the sum is 41.

The square root of 149324945 is about 12219.8586325702. The cubic root of 149324945 is about 530.5310270400.

The spelling of 149324945 in words is "one hundred forty-nine million, three hundred twenty-four thousand, nine hundred forty-five".

Divisors: 1 5 7 11 35 55 77 385 387857 1939285 2714999 4266427 13574995 21332135 29864989 149324945