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149738483 = 163918641
BaseRepresentation
bin10001110110011…
…01001111110011
3101102202111120202
420323031033303
5301313112413
622505225415
73465520226
oct1073151763
9342674522
10149738483
1177583814
124219226b
1325039b6b
1415c5b5bd
15d22be58
hex8ecd3f3

149738483 has 4 divisors (see below), whose sum is σ = 150657288. Its totient is φ = 148819680.

The previous prime is 149738473. The next prime is 149738489. The reversal of 149738483 is 384837941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 384837941 = 1991933859.

It is a cyclic number.

It is not a de Polignac number, because 149738483 - 218 = 149476339 is a prime.

It is a super-2 number, since 2×1497384832 = 44843226582282578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149738489) 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 3 ways as a sum of consecutive naturals, for example, 459158 + ... + 459483.

It is an arithmetic number, because the mean of its divisors is an integer number (37664322).

Almost surely, 2149738483 is an apocalyptic number.

149738483 is a deficient number, since it is larger than the sum of its proper divisors (918805).

149738483 is an equidigital number, since it uses as much as digits as its factorization.

149738483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918804.

The product of its digits is 580608, while the sum is 47.

The square root of 149738483 is about 12236.7676696095. The cubic root of 149738483 is about 531.0203235459.

The spelling of 149738483 in words is "one hundred forty-nine million, seven hundred thirty-eight thousand, four hundred eighty-three".

Divisors: 1 163 918641 149738483