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228084151 = 1997123757
BaseRepresentation
bin11011001100001…
…00100110110111
3120220011212122011
431212010212313
5431342143101
634344345051
75436453241
oct1546044667
9526155564
10228084151
11107824aa9
1264475187
133833b249
1422413091
1515055751
hexd9849b7

228084151 has 8 divisors (see below), whose sum is σ = 242565680. Its totient is φ = 213850368.

The previous prime is 228084097. The next prime is 228084179. The reversal of 228084151 is 151480822.

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 228084151 - 27 = 228084023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228084191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60036 + ... + 63721.

It is an arithmetic number, because the mean of its divisors is an integer number (30320710).

Almost surely, 2228084151 is an apocalyptic number.

228084151 is a deficient number, since it is larger than the sum of its proper divisors (14481529).

228084151 is a wasteful number, since it uses less digits than its factorization.

228084151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123873.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 228084151 is about 15102.4551315341. The cubic root of 228084151 is about 610.9866242653.

The spelling of 228084151 in words is "two hundred twenty-eight million, eighty-four thousand, one hundred fifty-one".

Divisors: 1 19 97 1843 123757 2351383 12004429 228084151