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149319754 = 21091494597
BaseRepresentation
bin10001110011001…
…11000001001010
3101101222020012021
420321213001022
5301211213004
622452235054
73462124363
oct1071470112
9341866167
10149319754
1177318161
124200ba8a
1324c213ac
1415b8cb6a
15d197d54
hex8e6704a

149319754 has 16 divisors (see below), whose sum is σ = 227601000. Its totient is φ = 73462464.

The previous prime is 149319701. The next prime is 149319757. The reversal of 149319754 is 457913941.

149319754 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 77528025 + 71791729 = 8805^2 + 8473^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149319754.

It is not an unprimeable number, because it can be changed into a prime (149319757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30184 + ... + 34780.

Almost surely, 2149319754 is an apocalyptic number.

149319754 is a deficient number, since it is larger than the sum of its proper divisors (78281246).

149319754 is a wasteful number, since it uses less digits than its factorization.

149319754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857.

The product of its digits is 136080, while the sum is 43.

The square root of 149319754 is about 12219.6462305584. The cubic root of 149319754 is about 530.5248793320.

The spelling of 149319754 in words is "one hundred forty-nine million, three hundred nineteen thousand, seven hundred fifty-four".

Divisors: 1 2 109 149 218 298 4597 9194 16241 32482 501073 684953 1002146 1369906 74659877 149319754