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149083208 = 2318635401
BaseRepresentation
bin10001110001011…
…01010001001000
3101101112012201022
420320231101020
5301131130313
622443212012
73460120631
oct1070552110
9341465638
10149083208
117717646a
1241b17008
1324b6a821
1415b2a888
15d14cc08
hex8e2d448

149083208 has 8 divisors (see below), whose sum is σ = 279531030. Its totient is φ = 74541600.

The previous prime is 149083169. The next prime is 149083213. The reversal of 149083208 is 802380941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 144913444 + 4169764 = 12038^2 + 2042^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9317693 + ... + 9317708.

Almost surely, 2149083208 is an apocalyptic number.

149083208 is the 6527-th centered heptagonal number.

It is an amenable number.

149083208 is a deficient number, since it is larger than the sum of its proper divisors (130447822).

149083208 is a wasteful number, since it uses less digits than its factorization.

149083208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18635407 (or 18635403 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 149083208 is about 12209.9634725088. The cubic root of 149083208 is about 530.2445862913.

The spelling of 149083208 in words is "one hundred forty-nine million, eighty-three thousand, two hundred eight".

Divisors: 1 2 4 8 18635401 37270802 74541604 149083208