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148397 = 314787
BaseRepresentation
bin100100001110101101
321112120012
4210032231
514222042
63103005
71155434
oct441655
9245505
10148397
11a1547
1271a65
1352712
143c11b
152de82
hex243ad

148397 has 4 divisors (see below), whose sum is σ = 153216. Its totient is φ = 143580.

The previous prime is 148387. The next prime is 148399. The reversal of 148397 is 793841.

148397 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148397 - 24 = 148381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148399) 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, 2363 + ... + 2424.

It is an arithmetic number, because the mean of its divisors is an integer number (38304).

2148397 is an apocalyptic number.

It is an amenable number.

148397 is a deficient number, since it is larger than the sum of its proper divisors (4819).

148397 is an equidigital number, since it uses as much as digits as its factorization.

148397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818.

The product of its digits is 6048, while the sum is 32.

The square root of 148397 is about 385.2233118595. The cubic root of 148397 is about 52.9429789026.

It can be divided in two parts, 148 and 397, that added together give a palindrome (545).

The spelling of 148397 in words is "one hundred forty-eight thousand, three hundred ninety-seven".

Divisors: 1 31 4787 148397