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30002245 = 5713233283
BaseRepresentation
bin111001001110…
…0110001000101
32002110021100021
41302130301011
530140032440
62551015141
7513005050
oct162346105
962407307
1030002245
1115a32149
12a06a4b1
1362a6010
143dada97
15297984a
hex1c9cc45

30002245 has 32 divisors (see below), whose sum is σ = 44658432. Its totient is φ = 18842112.

The previous prime is 30002239. The next prime is 30002249. The reversal of 30002245 is 54220003.

It is a cyclic number.

It is not a de Polignac number, because 30002245 - 27 = 30002117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105874 + ... + 106156.

It is an arithmetic number, because the mean of its divisors is an integer number (1395576).

Almost surely, 230002245 is an apocalyptic number.

30002245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30002245 is a deficient number, since it is larger than the sum of its proper divisors (14656187).

30002245 is a wasteful number, since it uses less digits than its factorization.

30002245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 30002245 is about 5477.4305107413. The cubic root of 30002245 is about 310.7310012209.

Adding to 30002245 its reverse (54220003), we get a palindrome (84222248).

The spelling of 30002245 in words is "thirty million, two thousand, two hundred forty-five".

Divisors: 1 5 7 13 35 65 91 233 283 455 1165 1415 1631 1981 3029 3679 8155 9905 15145 18395 21203 25753 65939 106015 128765 329695 461573 857207 2307865 4286035 6000449 30002245