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672030228 = 223198873323
BaseRepresentation
bin101000000011100…
…101111000010100
31201211112200011110
4220003211320110
52334014431403
6150403535020
722440106542
oct5003457024
91654480143
10672030228
11315386291
1216908a470
13a92c852c
1465376d92
153deea103
hex280e5e14

672030228 has 48 divisors (see below), whose sum is σ = 1652958720. Its totient is φ = 211917024.

The previous prime is 672030193. The next prime is 672030251. The reversal of 672030228 is 822030276.

It is a junction number, because it is equal to n+sod(n) for n = 672030195 and 672030204.

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, 200575 + ... + 203897.

It is an arithmetic number, because the mean of its divisors is an integer number (34436640).

Almost surely, 2672030228 is an apocalyptic number.

It is an amenable number.

672030228 is an abundant number, since it is smaller than the sum of its proper divisors (980928492).

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

672030228 is a wasteful number, since it uses less digits than its factorization.

672030228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 672030228 is about 25923.5458222829. The cubic root of 672030228 is about 875.9169611244.

The spelling of 672030228 in words is "six hundred seventy-two million, thirty thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 887 1774 2661 3323 3548 5322 6646 9969 10644 13292 16853 19938 33706 39876 50559 63137 67412 101118 126274 189411 202236 252548 378822 757644 2947501 5895002 8842503 11790004 17685006 35370012 56002519 112005038 168007557 224010076 336015114 672030228