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228137395 = 5113403783
BaseRepresentation
bin11011001100100…
…01100110110011
3120220021120200011
431212101212303
5431400344040
634345435351
75440064413
oct1546214663
9526246604
10228137395
11107861002
126449bb57
1338359555
1422428643
15150663ea
hexd9919b3

228137395 has 8 divisors (see below), whose sum is σ = 276188256. Its totient is φ = 180894336.

The previous prime is 228137383. The next prime is 228137423. The reversal of 228137395 is 593731822.

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 228137395 - 27 = 228137267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201327 + ... + 202456.

It is an arithmetic number, because the mean of its divisors is an integer number (34523532).

Almost surely, 2228137395 is an apocalyptic number.

228137395 is a deficient number, since it is larger than the sum of its proper divisors (48050861).

228137395 is a wasteful number, since it uses less digits than its factorization.

228137395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403901.

The product of its digits is 90720, while the sum is 40.

The square root of 228137395 is about 15104.2177884192. The cubic root of 228137395 is about 611.0341635041.

The spelling of 228137395 in words is "two hundred twenty-eight million, one hundred thirty-seven thousand, three hundred ninety-five".

Divisors: 1 5 113 565 403783 2018915 45627479 228137395