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3387028047 = 3132310913461
BaseRepresentation
bin1100100111100001…
…1111001001001111
322202001021212000020
43021320133021033
523414034344142
61320031433223
7146635156224
oct31170371117
98661255006
103387028047
111488986337
127a6385813
1341c933610
14241b9194b
1514c543cec
hexc9e1f24f

3387028047 has 32 divisors (see below), whose sum is σ = 5080997376. Its totient is φ = 1991299200.

The previous prime is 3387028037. The next prime is 3387028079. The reversal of 3387028047 is 7408207833.

It is not a de Polignac number, because 3387028047 - 26 = 3387027983 is a prime.

It is a super-2 number, since 2×33870280472 = 22943917982329268418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387028037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 976897 + ... + 980357.

It is an arithmetic number, because the mean of its divisors is an integer number (158781168).

Almost surely, 23387028047 is an apocalyptic number.

3387028047 is a deficient number, since it is larger than the sum of its proper divisors (1693969329).

3387028047 is a wasteful number, since it uses less digits than its factorization.

3387028047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 3387028047 is about 58198.1790694520. The cubic root of 3387028047 is about 1501.7798202136.

The spelling of 3387028047 in words is "three billion, three hundred eighty-seven million, twenty-eight thousand, forty-seven".

Divisors: 1 3 13 23 39 69 299 897 1091 3273 3461 10383 14183 25093 42549 44993 75279 79603 134979 238809 326209 978627 1034839 3104517 3775951 11327853 49087363 86846873 147262089 260540619 1129009349 3387028047