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228650616 = 233229109507
BaseRepresentation
bin11011010000011…
…10111001111000
3120221020122200100
431220032321320
5432013304431
634404435400
75444332605
oct1550167170
9527218610
10228650616
11108081657
12646a8b60
13384a902c
142251d6ac
15151184e6
hexda0ee78

228650616 has 48 divisors (see below), whose sum is σ = 640621800. Its totient is φ = 73588032.

The previous prime is 228650581. The next prime is 228650633. The reversal of 228650616 is 616056822.

It is a super-2 number, since 2×2286506162 = 104562208394358912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52666 + ... + 56841.

Almost surely, 2228650616 is an apocalyptic number.

It is an amenable number.

228650616 is an abundant number, since it is smaller than the sum of its proper divisors (411971184).

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

228650616 is a wasteful number, since it uses less digits than its factorization.

228650616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109548 (or 109541 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 228650616 is about 15121.1975716211. The cubic root of 228650616 is about 611.4920172777.

The spelling of 228650616 in words is "two hundred twenty-eight million, six hundred fifty thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 174 232 261 348 522 696 1044 2088 109507 219014 328521 438028 657042 876056 985563 1314084 1971126 2628168 3175703 3942252 6351406 7884504 9527109 12702812 19054218 25405624 28581327 38108436 57162654 76216872 114325308 228650616