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3779913361 = 7287832
BaseRepresentation
bin1110000101001100…
…1110011010010001
3100202102120111100011
43201103032122101
530220124211421
61423024354521
7162445506400
oct34123163221
910672514304
103779913361
11166a731944
12895a75a41
13483153733
1427c023637
15171c9e4e1
hexe14ce691

3779913361 has 9 divisors (see below), whose sum is σ = 4397542761. Its totient is φ = 3239556852.

The previous prime is 3779913329. The next prime is 3779913367. The reversal of 3779913361 is 1633199773.

The square root of 3779913361 is 61481.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3779913361 - 25 = 3779913329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3779913367) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 425976 + ... + 434758.

Almost surely, 23779913361 is an apocalyptic number.

3779913361 is the 61481-st square number.

3779913361 is the 30741-st centered octagonal number.

It is an amenable number.

3779913361 is a deficient number, since it is larger than the sum of its proper divisors (617629400).

3779913361 is an frugal number, since it uses more digits than its factorization.

3779913361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17580 (or 8790 counting only the distinct ones).

The product of its digits is 642978, while the sum is 49.

The cubic root of 3779913361 is about 1557.7363290756.

Multiplying 3779913361 by its sum of digits (49), we get a square (185215754689 = 4303672).

3779913361 divided by its sum of digits (49) gives a square (77141089 = 87832).

The spelling of 3779913361 in words is "three billion, seven hundred seventy-nine million, nine hundred thirteen thousand, three hundred sixty-one".

Divisors: 1 7 49 8783 61481 430367 77141089 539987623 3779913361