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149390 = 2514939
BaseRepresentation
bin100100011110001110
321120220222
4210132032
514240030
63111342
71161353
oct443616
9246828
10149390
11a226a
1272552
1352cc7
143c62a
152e3e5
hex2478e

149390 has 8 divisors (see below), whose sum is σ = 268920. Its totient is φ = 59752.

The previous prime is 149381. The next prime is 149393. The reversal of 149390 is 93941.

It is a happy number.

149390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149390.

It is not an unprimeable number, because it can be changed into a prime (149393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7460 + ... + 7479.

It is an arithmetic number, because the mean of its divisors is an integer number (33615).

2149390 is an apocalyptic number.

149390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149390 is a deficient number, since it is larger than the sum of its proper divisors (119530).

149390 is a wasteful number, since it uses less digits than its factorization.

149390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14946.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 149390 is about 386.5100257432. The cubic root of 149390 is about 53.0608059682.

The spelling of 149390 in words is "one hundred forty-nine thousand, three hundred ninety".

Divisors: 1 2 5 10 14939 29878 74695 149390