Base | Representation |
---|---|
bin | 11101001110110… |
… | …01001110100001 |
3 | 122002101212002122 |
4 | 32213121032201 |
5 | 1000233123334 |
6 | 40155354025 |
7 | 6035143016 |
oct | 1647311641 |
9 | 562355078 |
10 | 245207969 |
11 | 116460416 |
12 | 6a152915 |
13 | 3ba55496 |
14 | 247cd70d |
15 | 167d932e |
hex | e9d93a1 |
245207969 has 8 divisors (see below), whose sum is σ = 246385920. Its totient is φ = 244033776.
The previous prime is 245207957. The next prime is 245207971. The reversal of 245207969 is 969702542.
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 245207969 - 224 = 228430753 is a prime.
It is a super-2 number, since 2×2452079692 = 120253896122209922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (245207929) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371762 + ... + 372420.
It is an arithmetic number, because the mean of its divisors is an integer number (30798240).
Almost surely, 2245207969 is an apocalyptic number.
It is an amenable number.
245207969 is a deficient number, since it is larger than the sum of its proper divisors (1177951).
245207969 is an equidigital number, since it uses as much as digits as its factorization.
245207969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1879.
The product of its (nonzero) digits is 272160, while the sum is 44.
The square root of 245207969 is about 15659.1177593120. The cubic root of 245207969 is about 625.9094761364.
The spelling of 245207969 in words is "two hundred forty-five million, two hundred seven thousand, nine hundred sixty-nine".
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