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3778303409 = 137149271683
BaseRepresentation
bin1110000100110100…
…0101010110110001
3100202022112200220022
43201031011112301
530214221202114
61422530053225
7162426022556
oct34115052661
910668480808
103778303409
111669832301
1289541a215
13482a0b9ba
1427bb24a2d
15171a8248e
hexe13455b1

3778303409 has 16 divisors (see below), whose sum is σ = 3851193600. Its totient is φ = 3706369920.

The previous prime is 3778303393. The next prime is 3778303423. The reversal of 3778303409 is 9043038773.

It is a cyclic number.

It is not a de Polignac number, because 3778303409 - 24 = 3778303393 is a prime.

It is a super-2 number, since 2×37783034092 = 28551153300922042562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3778303409.

It is not an unprimeable number, because it can be changed into a prime (3778303469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5531582 + ... + 5532264.

It is an arithmetic number, because the mean of its divisors is an integer number (240699600).

Almost surely, 23778303409 is an apocalyptic number.

It is an amenable number.

3778303409 is a deficient number, since it is larger than the sum of its proper divisors (72890191).

3778303409 is a wasteful number, since it uses less digits than its factorization.

3778303409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 3778303409 is about 61467.9055198727. The cubic root of 3778303409 is about 1557.5151390978.

The spelling of 3778303409 in words is "three billion, seven hundred seventy-eight million, three hundred three thousand, four hundred nine".

Divisors: 1 137 149 271 683 20413 37127 40379 93571 101767 185093 5531923 13942079 25357741 27578857 3778303409