Base | Representation |
---|---|
bin | 11101001101011… |
… | …01101000011111 |
3 | 122002001210011020 |
4 | 32212231220133 |
5 | 1000211420112 |
6 | 40151455223 |
7 | 6033500310 |
oct | 1646555037 |
9 | 562053136 |
10 | 245029407 |
11 | 116349247 |
12 | 6a087513 |
13 | 3b9c211c |
14 | 24784607 |
15 | 167a148c |
hex | e9ada1f |
245029407 has 16 divisors (see below), whose sum is σ = 382486272. Its totient is φ = 136601280.
The previous prime is 245029399. The next prime is 245029409. The reversal of 245029407 is 704920542.
It is not a de Polignac number, because 245029407 - 23 = 245029399 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245029409) 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 15 ways as a sum of consecutive naturals, for example, 141433 + ... + 143154.
It is an arithmetic number, because the mean of its divisors is an integer number (23905392).
Almost surely, 2245029407 is an apocalyptic number.
245029407 is a deficient number, since it is larger than the sum of its proper divisors (137456865).
245029407 is a wasteful number, since it uses less digits than its factorization.
245029407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284638.
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 245029407 is about 15653.4151864697. The cubic root of 245029407 is about 625.7575088244.
Adding to 245029407 its reverse (704920542), we get a palindrome (949949949).
The spelling of 245029407 in words is "two hundred forty-five million, twenty-nine thousand, four hundred seven".
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