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3780663 = 31279923
BaseRepresentation
bin1110011011000000110111
321010002002120
432123000313
51431440123
6213011023
744064225
oct16330067
97102076
103780663
112152517
121323a73
13a24aa3
14705b15
154ea2e3
hex39b037

3780663 has 8 divisors (see below), whose sum is σ = 5081088. Its totient is φ = 2500344.

The previous prime is 3780653. The next prime is 3780709. The reversal of 3780663 is 3660873.

It is a happy number.

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

It is not a de Polignac number, because 3780663 - 26 = 3780599 is a prime.

It is a d-powerful number, because it can be written as 36 + 74 + 87 + 0 + 62 + 68 + 36 .

3780663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4581 + ... + 5342.

It is an arithmetic number, because the mean of its divisors is an integer number (635136).

Almost surely, 23780663 is an apocalyptic number.

3780663 is a deficient number, since it is larger than the sum of its proper divisors (1300425).

3780663 is a wasteful number, since it uses less digits than its factorization.

3780663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10053.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 3780663 is about 1944.3927072482. The cubic root of 3780663 is about 155.7839299929.

The spelling of 3780663 in words is "three million, seven hundred eighty thousand, six hundred sixty-three".

Divisors: 1 3 127 381 9923 29769 1260221 3780663