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3420761769 = 32380084641
BaseRepresentation
bin1100101111100100…
…1010111010101001
322211101202200222100
43023321022322221
524001203334034
61323234444013
7150524665245
oct31371127251
98741680870
103420761769
1114a5a26a47
127b5733609
13426914bb9
14246453425
151504a9099
hexcbe4aea9

3420761769 has 6 divisors (see below), whose sum is σ = 4941100346. Its totient is φ = 2280507840.

The previous prime is 3420761761. The next prime is 3420761803. The reversal of 3420761769 is 9671670243.

3420761769 is a `hidden beast` number, since 3 + 4 + 20 + 7 + 617 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1970294544 + 1450467225 = 44388^2 + 38085^2 .

It is not a de Polignac number, because 3420761769 - 23 = 3420761761 is a prime.

It is a super-2 number, since 2×34207617692 = 23403222160504018722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420761761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190042312 + ... + 190042329.

Almost surely, 23420761769 is an apocalyptic number.

It is an amenable number.

3420761769 is a deficient number, since it is larger than the sum of its proper divisors (1520338577).

3420761769 is a wasteful number, since it uses less digits than its factorization.

3420761769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380084647 (or 380084644 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 3420761769 is about 58487.2786937467. The cubic root of 3420761769 is about 1506.7491088091.

The spelling of 3420761769 in words is "three billion, four hundred twenty million, seven hundred sixty-one thousand, seven hundred sixty-nine".

Divisors: 1 3 9 380084641 1140253923 3420761769