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148340 = 2257417
BaseRepresentation
bin100100001101110100
321112111002
4210031310
514221330
63102432
71155323
oct441564
9245432
10148340
11a14a5
1271a18
135269a
143c0ba
152de45
hex24374

148340 has 12 divisors (see below), whose sum is σ = 311556. Its totient is φ = 59328.

The previous prime is 148339. The next prime is 148361. The reversal of 148340 is 43841.

It can be written as a sum of positive squares in 2 ways, for example, as 88804 + 59536 = 298^2 + 244^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 7417 = 148340 / (1 + 4 + 8 + 3 + 4 + 0).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3689 + ... + 3728.

It is an arithmetic number, because the mean of its divisors is an integer number (25963).

2148340 is an apocalyptic number.

148340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148340 is an abundant number, since it is smaller than the sum of its proper divisors (163216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148340 is a wasteful number, since it uses less digits than its factorization.

148340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7426 (or 7424 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 148340 is about 385.1493216922. The cubic root of 148340 is about 52.9361994837.

The spelling of 148340 in words is "one hundred forty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 7417 14834 29668 37085 74170 148340