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148899 = 349633
BaseRepresentation
bin100100010110100011
321120020210
4210112203
514231044
63105203
71160052
oct442643
9246223
10148899
11a1963
1272203
1352a0a
143c399
152e1b9
hex245a3

148899 has 4 divisors (see below), whose sum is σ = 198536. Its totient is φ = 99264.

The previous prime is 148891. The next prime is 148913. The reversal of 148899 is 998841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998841 = 3332947.

It is not a de Polignac number, because 148899 - 23 = 148891 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 10.

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 148899.

It is not an unprimeable number, because it can be changed into a prime (148891) 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, 24814 + ... + 24819.

It is an arithmetic number, because the mean of its divisors is an integer number (49634).

2148899 is an apocalyptic number.

148899 is a deficient number, since it is larger than the sum of its proper divisors (49637).

148899 is an equidigital number, since it uses as much as digits as its factorization.

148899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49636.

The product of its digits is 20736, while the sum is 39.

The square root of 148899 is about 385.8743318750. The cubic root of 148899 is about 53.0026105276.

The spelling of 148899 in words is "one hundred forty-eight thousand, eight hundred ninety-nine".

Divisors: 1 3 49633 148899