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3683378487 = 31227792829
BaseRepresentation
bin1101101110001011…
…1110010100110111
3100111200221000101110
43123202332110313
530020421102422
61405255330103
7160164125535
oct33342762467
910450830343
103683378487
111620197858
12869680933
134691541c9
1426d295155
1516858160c
hexdb8be537

3683378487 has 4 divisors (see below), whose sum is σ = 4911171320. Its totient is φ = 2455585656.

The previous prime is 3683378449. The next prime is 3683378521. The reversal of 3683378487 is 7848733863.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3683378487 - 27 = 3683378359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3683378687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613896412 + ... + 613896417.

It is an arithmetic number, because the mean of its divisors is an integer number (1227792830).

Almost surely, 23683378487 is an apocalyptic number.

3683378487 is a deficient number, since it is larger than the sum of its proper divisors (1227792833).

3683378487 is a wasteful number, since it uses less digits than its factorization.

3683378487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227792832.

The product of its digits is 16257024, while the sum is 57.

The square root of 3683378487 is about 60690.8435186067. The cubic root of 3683378487 is about 1544.3608457920.

The spelling of 3683378487 in words is "three billion, six hundred eighty-three million, three hundred seventy-eight thousand, four hundred eighty-seven".

Divisors: 1 3 1227792829 3683378487