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149049283 = 3773139397
BaseRepresentation
bin10001110001001…
…00111111000011
3101101110111011211
420320210333003
5301124034113
622442350551
73456620005
oct1070447703
9341414154
10149049283
1177152a29
1241abb457
1324b58256
1415b1c375
15d142b3d
hex8e24fc3

149049283 has 16 divisors (see below), whose sum is σ = 156684640. Its totient is φ = 141647616.

The previous prime is 149049259. The next prime is 149049293. The reversal of 149049283 is 382940941.

149049283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 149049283 - 225 = 115494851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149049293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375241 + ... + 375637.

It is an arithmetic number, because the mean of its divisors is an integer number (9792790).

Almost surely, 2149049283 is an apocalyptic number.

149049283 is a deficient number, since it is larger than the sum of its proper divisors (7635357).

149049283 is a wasteful number, since it uses less digits than its factorization.

149049283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 149049283 is about 12208.5741591719. The cubic root of 149049283 is about 530.2043628651.

The spelling of 149049283 in words is "one hundred forty-nine million, forty-nine thousand, two hundred eighty-three".

Divisors: 1 37 73 139 397 2701 5143 10147 14689 28981 55183 375439 1072297 2041771 4028359 149049283