Base | Representation |
---|---|
bin | 11101001111001… |
… | …00111101110011 |
3 | 122002111022001110 |
4 | 32213210331303 |
5 | 1000241143201 |
6 | 40200404403 |
7 | 6035433135 |
oct | 1647447563 |
9 | 562438043 |
10 | 245256051 |
11 | 116493557 |
12 | 6a176703 |
13 | 3ba71331 |
14 | 24803055 |
15 | 167e86d6 |
hex | e9e4f73 |
245256051 has 16 divisors (see below), whose sum is σ = 333148320. Its totient is φ = 160446720.
The previous prime is 245256043. The next prime is 245256073. The reversal of 245256051 is 150652542.
It is not a de Polignac number, because 245256051 - 23 = 245256043 is a prime.
It is a super-2 number, since 2×2452560512 = 120301061104229202, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (245256001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91831 + ... + 94463.
It is an arithmetic number, because the mean of its divisors is an integer number (20821770).
Almost surely, 2245256051 is an apocalyptic number.
245256051 is a deficient number, since it is larger than the sum of its proper divisors (87892269).
245256051 is a wasteful number, since it uses less digits than its factorization.
245256051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3206.
The product of its (nonzero) digits is 12000, while the sum is 30.
The square root of 245256051 is about 15660.6529557359. The cubic root of 245256051 is about 625.9503842857.
The spelling of 245256051 in words is "two hundred forty-five million, two hundred fifty-six thousand, fifty-one".
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