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3405070080 = 283251717387
BaseRepresentation
bin1100101011110101…
…0011111100000000
322210022020111000200
43022331103330000
523433144220310
61321514245200
7150244422006
oct31275237400
98708214020
103405070080
111498089605
127b0426800
134235ac789
1424432aa76
1514de099c0
hexcaf53f00

3405070080 has 216 divisors, whose sum is σ = 12474916272. Its totient is φ = 854556672.

The previous prime is 3405070079. The next prime is 3405070153. The reversal of 3405070080 is 800705043.

3405070080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×34050700802 = 23189004499422412800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187147 + ... + 204533.

It is an arithmetic number, because the mean of its divisors is an integer number (57754242).

Almost surely, 23405070080 is an apocalyptic number.

3405070080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3405070080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6237458136).

3405070080 is an abundant number, since it is smaller than the sum of its proper divisors (9069846192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3405070080 is a wasteful number, since it uses less digits than its factorization.

3405070080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17431 (or 17414 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3405070080 is about 58352.9783301589. The cubic root of 3405070080 is about 1504.4416614473.

The spelling of 3405070080 in words is "three billion, four hundred five million, seventy thousand, eighty".