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228171076 = 227171925229
BaseRepresentation
bin11011001100110…
…01110101000100
3120220100021212121
431212121311010
5431402433301
634350255324
75440264540
oct1546316504
9526307777
10228171076
11107884341
12644b7544
133836b993
1422436a20
15150713a1
hexd999d44

228171076 has 48 divisors (see below), whose sum is σ = 508636800. Its totient is φ = 87187968.

The previous prime is 228171061. The next prime is 228171077. The reversal of 228171076 is 670171822.

It is a happy number.

228171076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (228171077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3571 + ... + 21658.

It is an arithmetic number, because the mean of its divisors is an integer number (10596600).

Almost surely, 2228171076 is an apocalyptic number.

It is an amenable number.

228171076 is an abundant number, since it is smaller than the sum of its proper divisors (280465724).

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

228171076 is a wasteful number, since it uses less digits than its factorization.

228171076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25276 (or 25274 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 228171076 is about 15105.3327007385. The cubic root of 228171076 is about 611.0642319766.

The spelling of 228171076 in words is "two hundred twenty-eight million, one hundred seventy-one thousand, seventy-six".

Divisors: 1 2 4 7 14 17 19 28 34 38 68 76 119 133 238 266 323 476 532 646 1292 2261 4522 9044 25229 50458 100916 176603 353206 428893 479351 706412 857786 958702 1715572 1917404 3002251 3355457 6004502 6710914 8148967 12009004 13421828 16297934 32595868 57042769 114085538 228171076