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149051089 = 1164121139
BaseRepresentation
bin10001110001001…
…01011011010001
3101101110120122201
420320211123101
5301124113324
622442403201
73456625165
oct1070453321
9341416581
10149051089
1177154320
1241b00501
1324b59015
1415b1cca5
15d143444
hex8e256d1

149051089 has 8 divisors (see below), whose sum is σ = 162862560. Its totient is φ = 135283200.

The previous prime is 149051057. The next prime is 149051101. The reversal of 149051089 is 980150941.

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 149051089 - 25 = 149051057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149051489) 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, 3519 + ... + 17620.

It is an arithmetic number, because the mean of its divisors is an integer number (20357820).

Almost surely, 2149051089 is an apocalyptic number.

It is an amenable number.

149051089 is a deficient number, since it is larger than the sum of its proper divisors (13811471).

149051089 is a wasteful number, since it uses less digits than its factorization.

149051089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21791.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 149051089 is about 12208.6481233591. The cubic root of 149051089 is about 530.2065043161.

The spelling of 149051089 in words is "one hundred forty-nine million, fifty-one thousand, eighty-nine".

Divisors: 1 11 641 7051 21139 232529 13550099 149051089