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180002072 = 2329775871
BaseRepresentation
bin10101011101010…
…01110100011000
3110112201001102102
422232221310120
5332040031242
625510022532
74313664245
oct1256516430
9415631372
10180002072
1192674248
1250347a48
132b3a4b03
1419c985cc
1510c08e32
hexaba9d18

180002072 has 16 divisors (see below), whose sum is σ = 349142400. Its totient is φ = 86897440.

The previous prime is 180002051. The next prime is 180002087. The reversal of 180002072 is 270200081.

180002072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387704 + ... + 388167.

It is an arithmetic number, because the mean of its divisors is an integer number (21821400).

Almost surely, 2180002072 is an apocalyptic number.

It is an amenable number.

180002072 is a deficient number, since it is larger than the sum of its proper divisors (169140328).

180002072 is a wasteful number, since it uses less digits than its factorization.

180002072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775906 (or 775902 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 180002072 is about 13416.4850836573. The cubic root of 180002072 is about 564.6237837944.

The spelling of 180002072 in words is "one hundred eighty million, two thousand, seventy-two".

Divisors: 1 2 4 8 29 58 116 232 775871 1551742 3103484 6206968 22500259 45000518 90001036 180002072