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149426 = 274713
BaseRepresentation
bin100100011110110010
321120222022
4210132302
514240201
63111442
71161434
oct443662
9246868
10149426
11a22a2
1272582
1353024
143c654
152e41b
hex247b2

149426 has 4 divisors (see below), whose sum is σ = 224142. Its totient is φ = 74712.

The previous prime is 149423. The next prime is 149441. The reversal of 149426 is 624941.

149426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624941 = 2292729.

It can be written as a sum of positive squares in only one way, i.e., 89401 + 60025 = 299^2 + 245^2 .

It is a d-powerful number, because it can be written as 1 + 45 + 47 + 93 + 217 + 63 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149395 and 149404.

It is not an unprimeable number, because it can be changed into a prime (149423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37355 + ... + 37358.

2149426 is an apocalyptic number.

149426 is a deficient number, since it is larger than the sum of its proper divisors (74716).

149426 is an equidigital number, since it uses as much as digits as its factorization.

149426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74715.

The product of its digits is 1728, while the sum is 26.

The square root of 149426 is about 386.5565935280. The cubic root of 149426 is about 53.0650678233.

It can be divided in two parts, 149 and 426, that added together give a palindrome (575).

The spelling of 149426 in words is "one hundred forty-nine thousand, four hundred twenty-six".

Divisors: 1 2 74713 149426