Base | Representation |
---|---|
bin | 10001101101100… |
… | …00100100001011 |
3 | 101100120021001111 |
4 | 20312300210023 |
5 | 301013304202 |
6 | 22424231151 |
7 | 3452562523 |
oct | 1066604413 |
9 | 340507044 |
10 | 148572427 |
11 | 76957733 |
12 | 4190b4b7 |
13 | 24a1c1a3 |
14 | 15a36683 |
15 | d09b6d7 |
hex | 8db090b |
148572427 has 4 divisors (see below), whose sum is σ = 152587936. Its totient is φ = 144556920.
The previous prime is 148572421. The next prime is 148572449. The reversal of 148572427 is 724275841.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724275841 = 29 ⋅24975029.
It is a cyclic number.
It is not a de Polignac number, because 148572427 - 227 = 14354699 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 148572427.
It is not an unprimeable number, because it can be changed into a prime (148572421) 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, 2007699 + ... + 2007772.
It is an arithmetic number, because the mean of its divisors is an integer number (38146984).
Almost surely, 2148572427 is an apocalyptic number.
148572427 is a deficient number, since it is larger than the sum of its proper divisors (4015509).
148572427 is an equidigital number, since it uses as much as digits as its factorization.
148572427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4015508.
The product of its digits is 125440, while the sum is 40.
The square root of 148572427 is about 12189.0289605038. The cubic root of 148572427 is about 529.6383280703.
The spelling of 148572427 in words is "one hundred forty-eight million, five hundred seventy-two thousand, four hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •