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389467253 = 7359154981
BaseRepresentation
bin10111001101101…
…100110001110101
31000010211222122002
4113031230301311
51244200423003
6102351345045
712436263020
oct2715546165
91003758562
10389467253
1118a93156a
12aa522185
13628c43c6
1439a221b7
15242d2a88
hex1736cc75

389467253 has 8 divisors (see below), whose sum is σ = 446348160. Its totient is φ = 332897040.

The previous prime is 389467237. The next prime is 389467271. The reversal of 389467253 is 352764983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 389467253 - 24 = 389467237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 389467198 and 389467207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389467223) 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, 74978 + ... + 80003.

It is an arithmetic number, because the mean of its divisors is an integer number (55793520).

Almost surely, 2389467253 is an apocalyptic number.

It is an amenable number.

389467253 is a deficient number, since it is larger than the sum of its proper divisors (56880907).

389467253 is a wasteful number, since it uses less digits than its factorization.

389467253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155347.

The product of its digits is 1088640, while the sum is 47.

The square root of 389467253 is about 19734.9247021619. The cubic root of 389467253 is about 730.2815283682.

The spelling of 389467253 in words is "three hundred eighty-nine million, four hundred sixty-seven thousand, two hundred fifty-three".

Divisors: 1 7 359 2513 154981 1084867 55638179 389467253