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228475716 = 223717193829
BaseRepresentation
bin11011001111001…
…00001101000100
3120220220202202120
431213210031010
5431442210331
634401005540
75443003650
oct1547441504
9526822676
10228475716
11107a72207
12646238b0
1338447541
14224b5a60
15150d1796
hexd9e4344

228475716 has 96 divisors (see below), whose sum is σ = 649232640. Its totient is φ = 61046784.

The previous prime is 228475697. The next prime is 228475759. The reversal of 228475716 is 617574822.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275190 + ... + 276018.

It is an arithmetic number, because the mean of its divisors is an integer number (6762840).

Almost surely, 2228475716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228475716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324616320).

228475716 is an abundant number, since it is smaller than the sum of its proper divisors (420756924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228475716 is a wasteful number, since it uses less digits than its factorization.

228475716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1051 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 228475716 is about 15115.4131931615. The cubic root of 228475716 is about 611.3360628398.

The spelling of 228475716 in words is "two hundred twenty-eight million, four hundred seventy-five thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 193 204 238 357 386 476 579 714 772 829 1158 1351 1428 1658 2316 2487 2702 3281 3316 4053 4974 5404 5803 6562 8106 9843 9948 11606 13124 14093 16212 17409 19686 22967 23212 28186 34818 39372 42279 45934 56372 68901 69636 84558 91868 98651 137802 159997 169116 197302 275604 295953 319994 394604 479991 591906 639988 959982 1119979 1183812 1919964 2239958 2719949 3359937 4479916 5439898 6719874 8159847 10879796 13439748 16319694 19039643 32639388 38079286 57118929 76158572 114237858 228475716