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283228072 = 232310311493
BaseRepresentation
bin10000111000011…
…011011110101000
3201201221110212121
4100320123132220
51040001244242
644034321024
710006253551
oct2070333650
9651843777
10283228072
11135969496
127aa29174
13468a7a9a
1429889328
1519ce9667
hex10e1b7a8

283228072 has 32 divisors (see below), whose sum is σ = 555050880. Its totient is φ = 135234880.

The previous prime is 283228051. The next prime is 283228091. The reversal of 283228072 is 270822382.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188958 + ... + 190450.

It is an arithmetic number, because the mean of its divisors is an integer number (17345340).

Almost surely, 2283228072 is an apocalyptic number.

It is an amenable number.

283228072 is a deficient number, since it is larger than the sum of its proper divisors (271822808).

283228072 is a wasteful number, since it uses less digits than its factorization.

283228072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 283228072 is about 16829.3812126293. The cubic root of 283228072 is about 656.7177660711.

The spelling of 283228072 in words is "two hundred eighty-three million, two hundred twenty-eight thousand, seventy-two".

Divisors: 1 2 4 8 23 46 92 184 1031 1493 2062 2986 4124 5972 8248 11944 23713 34339 47426 68678 94852 137356 189704 274712 1539283 3078566 6157132 12314264 35403509 70807018 141614036 283228072