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70283725 = 522811349
BaseRepresentation
bin1000011000001…
…11000111001101
311220020210010221
410030013013031
5120443034400
610550231341
71512254551
oct414070715
9156223127
1070283725
1136745226
121b655551
131173aa05
149497861
156284c1a
hex43071cd

70283725 has 6 divisors (see below), whose sum is σ = 87151850. Its totient is φ = 56226960.

The previous prime is 70283711. The next prime is 70283761. The reversal of 70283725 is 52738207.

It can be written as a sum of positive squares in 3 ways, for example, as 11009124 + 59274601 = 3318^2 + 7699^2 .

It is not a de Polignac number, because 70283725 - 211 = 70281677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1405650 + ... + 1405699.

Almost surely, 270283725 is an apocalyptic number.

It is an amenable number.

70283725 is a deficient number, since it is larger than the sum of its proper divisors (16868125).

70283725 is a wasteful number, since it uses less digits than its factorization.

70283725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811359 (or 2811354 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 70283725 is about 8383.5389305472. The cubic root of 70283725 is about 412.6845944551.

The spelling of 70283725 in words is "seventy million, two hundred eighty-three thousand, seven hundred twenty-five".

Divisors: 1 5 25 2811349 14056745 70283725