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3809630945 = 57127106907
BaseRepresentation
bin1110001100010010…
…0101101011100001
3100211111111022012102
43203010211223201
530300231142240
61430005340145
7163256220521
oct34304455341
910744438172
103809630945
11168548a12a
128a3a07655
13489359cc3
14281d5b681
151746be815
hexe3125ae1

3809630945 has 8 divisors (see below), whose sum is σ = 4572241344. Its totient is φ = 3047248624.

The previous prime is 3809630933. The next prime is 3809630977. The reversal of 3809630945 is 5490369083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3809630945 - 28 = 3809630689 is a prime.

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 3809630945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17819 + ... + 89088.

It is an arithmetic number, because the mean of its divisors is an integer number (571530168).

Almost surely, 23809630945 is an apocalyptic number.

It is an amenable number.

3809630945 is a deficient number, since it is larger than the sum of its proper divisors (762610399).

3809630945 is a wasteful number, since it uses less digits than its factorization.

3809630945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114039.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 3809630945 is about 61722.2078752859. The cubic root of 3809630945 is about 1561.8079719047.

The spelling of 3809630945 in words is "three billion, eight hundred nine million, six hundred thirty thousand, nine hundred forty-five".

Divisors: 1 5 7127 35635 106907 534535 761926189 3809630945