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1070385839 = 3728929347
BaseRepresentation
bin111111110011001…
…100101010101111
32202121010020022222
4333303030222233
54143004321324
6254114025555
735345062265
oct7763145257
92677106288
101070385839
114aa2287a6
1225a5782bb
131409b2503
14a2230435
1563e8655e
hex3fcccaaf

1070385839 has 4 divisors (see below), whose sum is σ = 1099315224. Its totient is φ = 1041456456.

The previous prime is 1070385829. The next prime is 1070385851. The reversal of 1070385839 is 9385830701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1070385839 is a prime.

It is a super-2 number, since 2×10703858392 = 2291451688663467842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1070385839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070385829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14464637 + ... + 14464710.

It is an arithmetic number, because the mean of its divisors is an integer number (274828806).

Almost surely, 21070385839 is an apocalyptic number.

1070385839 is a deficient number, since it is larger than the sum of its proper divisors (28929385).

1070385839 is an equidigital number, since it uses as much as digits as its factorization.

1070385839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28929384.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1070385839 is about 32716.7516572168. The cubic root of 1070385839 is about 1022.9320476958.

The spelling of 1070385839 in words is "one billion, seventy million, three hundred eighty-five thousand, eight hundred thirty-nine".

Divisors: 1 37 28929347 1070385839