Base | Representation |
---|---|
bin | 11101001101100… |
… | …11110010011101 |
3 | 122002010001202002 |
4 | 32212303302131 |
5 | 1000213221441 |
6 | 40152212045 |
7 | 6033633650 |
oct | 1646636235 |
9 | 562101662 |
10 | 245054621 |
11 | 116366189 |
12 | 6a09a025 |
13 | 3ba00746 |
14 | 2478d897 |
15 | 167a8b9b |
hex | e9b3c9d |
245054621 has 8 divisors (see below), whose sum is σ = 280323840. Its totient is φ = 209850768.
The previous prime is 245054599. The next prime is 245054657. The reversal of 245054621 is 126450542.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 245054621 - 214 = 245038237 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 (245054681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8021 + ... + 23546.
It is an arithmetic number, because the mean of its divisors is an integer number (35040480).
Almost surely, 2245054621 is an apocalyptic number.
It is an amenable number.
245054621 is a deficient number, since it is larger than the sum of its proper divisors (35269219).
245054621 is a wasteful number, since it uses less digits than its factorization.
245054621 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32683.
The product of its (nonzero) digits is 9600, while the sum is 29.
The square root of 245054621 is about 15654.2205491043. The cubic root of 245054621 is about 625.7789719742.
The spelling of 245054621 in words is "two hundred forty-five million, fifty-four thousand, six hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •