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390229113 = 3130076371
BaseRepresentation
bin10111010000100…
…110110001111001
31000012021200201010
4113100212301321
51244344312423
6102415544133
712445615131
oct2720466171
91005250633
10390229113
111903019aa
12aa82b049
1362b00101
1439b7dac1
15243d3693
hex17426c79

390229113 has 4 divisors (see below), whose sum is σ = 520305488. Its totient is φ = 260152740.

The previous prime is 390229039. The next prime is 390229123. The reversal of 390229113 is 311922093.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-390229113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (390229123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65038183 + ... + 65038188.

It is an arithmetic number, because the mean of its divisors is an integer number (130076372).

Almost surely, 2390229113 is an apocalyptic number.

It is an amenable number.

390229113 is a deficient number, since it is larger than the sum of its proper divisors (130076375).

390229113 is a wasteful number, since it uses less digits than its factorization.

390229113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130076374.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 390229113 is about 19754.2176002999. The cubic root of 390229113 is about 730.7574005503.

It can be divided in two parts, 390 and 229113, that added together give a triangular number (229503 = T677).

The spelling of 390229113 in words is "three hundred ninety million, two hundred twenty-nine thousand, one hundred thirteen".

Divisors: 1 3 130076371 390229113