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148143401 = 721163343
BaseRepresentation
bin10001101010001…
…11110100101001
3101022202110112122
420311013310221
5300411042101
622411121025
73446124650
oct1065076451
9338673478
10148143401
117669436a
1241743175
13248cbb23
1415964197
15d01451b
hex8d47d29

148143401 has 4 divisors (see below), whose sum is σ = 169306752. Its totient is φ = 126980052.

The previous prime is 148143379. The next prime is 148143403. The reversal of 148143401 is 104341841.

148143401 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 148143401 - 26 = 148143337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148143403) 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, 10581665 + ... + 10581678.

It is an arithmetic number, because the mean of its divisors is an integer number (42326688).

Almost surely, 2148143401 is an apocalyptic number.

It is an amenable number.

148143401 is a deficient number, since it is larger than the sum of its proper divisors (21163351).

148143401 is an equidigital number, since it uses as much as digits as its factorization.

148143401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21163350.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 148143401 is about 12171.4173784321. The cubic root of 148143401 is about 529.1280322081.

The spelling of 148143401 in words is "one hundred forty-eight million, one hundred forty-three thousand, four hundred one".

Divisors: 1 7 21163343 148143401