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148898 = 274449
BaseRepresentation
bin100100010110100010
321120020202
4210112202
514231043
63105202
71160051
oct442642
9246222
10148898
11a1962
1272202
1352a09
143c398
152e1b8
hex245a2

148898 has 4 divisors (see below), whose sum is σ = 223350. Its totient is φ = 74448.

The previous prime is 148891. The next prime is 148913. The reversal of 148898 is 898841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 146689 + 2209 = 383^2 + 47^2 .

It is a super-2 number, since 2×1488982 = 44341228808, which contains 22 as substring.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 148898.

It is not an unprimeable number, because it can be changed into a prime (148891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37223 + ... + 37226.

2148898 is an apocalyptic number.

148898 is a deficient number, since it is larger than the sum of its proper divisors (74452).

148898 is an equidigital number, since it uses as much as digits as its factorization.

148898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74451.

The product of its digits is 18432, while the sum is 38.

The square root of 148898 is about 385.8730361142. The cubic root of 148898 is about 53.0024918729.

The spelling of 148898 in words is "one hundred forty-eight thousand, eight hundred ninety-eight".

Divisors: 1 2 74449 148898