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149046047 = 3110346679
BaseRepresentation
bin10001110001001…
…00001100011111
3101101110022201222
420320210030133
5301123433142
622442323555
73456604403
oct1070441437
9341408658
10149046047
1177150557
1241ab95bb
1324b56937
1415b1b103
15d141bd2
hex8e2431f

149046047 has 8 divisors (see below), whose sum is σ = 155351040. Its totient is φ = 142834680.

The previous prime is 149046031. The next prime is 149046067. The reversal of 149046047 is 740640941.

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 149046047 - 24 = 149046031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149045998 and 149046016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149046067) 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 7 ways as a sum of consecutive naturals, for example, 20147 + ... + 26532.

It is an arithmetic number, because the mean of its divisors is an integer number (19418880).

Almost surely, 2149046047 is an apocalyptic number.

149046047 is a deficient number, since it is larger than the sum of its proper divisors (6304993).

149046047 is a wasteful number, since it uses less digits than its factorization.

149046047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46813.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 149046047 is about 12208.4416286437. The cubic root of 149046047 is about 530.2005257590.

Adding to 149046047 its reverse (740640941), we get a palindrome (889686988).

The spelling of 149046047 in words is "one hundred forty-nine million, forty-six thousand, forty-seven".

Divisors: 1 31 103 3193 46679 1447049 4807937 149046047