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228033120 = 2535767867
BaseRepresentation
bin11011001011110…
…00001001100000
3120220002021122010
431211320021200
5431334024440
634343312520
75436151410
oct1545701140
9526067563
10228033120
1110779a727
126444b740
1338320c53
14223dc640
1515045580
hexd978260

228033120 has 96 divisors (see below), whose sum is σ = 820931328. Its totient is φ = 52121088.

The previous prime is 228033107. The next prime is 228033133. The reversal of 228033120 is 21330822.

It is an interprime number because it is at equal distance from previous prime (228033107) and next prime (228033133).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30574 + ... + 37293.

It is an arithmetic number, because the mean of its divisors is an integer number (8551368).

Almost surely, 2228033120 is an apocalyptic number.

228033120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228033120 is an abundant number, since it is smaller than the sum of its proper divisors (592898208).

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

228033120 is a wasteful number, since it uses less digits than its factorization.

228033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67892 (or 67884 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 228033120 is about 15100.7655435081. The cubic root of 228033120 is about 610.9410539734.

Adding to 228033120 its reverse (21330822), we get a palindrome (249363942).

The spelling of 228033120 in words is "two hundred twenty-eight million, thirty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 67867 135734 203601 271468 339335 407202 475069 542936 678670 814404 950138 1018005 1085872 1357340 1425207 1628808 1900276 2036010 2171744 2375345 2714680 2850414 3257616 3800552 4072020 4750690 5429360 5700828 6515232 7126035 7601104 8144040 9501380 10858720 11401656 14252070 15202208 16288080 19002760 22803312 28504140 32576160 38005520 45606624 57008280 76011040 114016560 228033120