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149054 = 274527
BaseRepresentation
bin100100011000111110
321120110112
4210120332
514232204
63110022
71160363
oct443076
9246415
10149054
11a1a94
1272312
1352ac9
143c46a
152e26e
hex2463e

149054 has 4 divisors (see below), whose sum is σ = 223584. Its totient is φ = 74526.

The previous prime is 149053. The next prime is 149057. The reversal of 149054 is 450941.

It is a happy number.

149054 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: 450941 = 4310487.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37262 + ... + 37265.

It is an arithmetic number, because the mean of its divisors is an integer number (55896).

2149054 is an apocalyptic number.

149054 is a deficient number, since it is larger than the sum of its proper divisors (74530).

149054 is an equidigital number, since it uses as much as digits as its factorization.

149054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74529.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 149054 is about 386.0751222236. The cubic root of 149054 is about 53.0209955976.

Adding to 149054 its reverse (450941), we get a palindrome (599995).

It can be divided in two parts, 14 and 9054, that multiplied together give a triangular number (126756 = T503).

The spelling of 149054 in words is "one hundred forty-nine thousand, fifty-four".

Divisors: 1 2 74527 149054