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4780027 = 71016761
BaseRepresentation
bin10010001110111111111011
322222211222001
4102032333323
52210430102
6250241431
755425640
oct22167773
98884861
104780027
11277533a
121726277
13cb4925
148c5dc7
15646487
hex48effb

4780027 has 8 divisors (see below), whose sum is σ = 5517792. Its totient is φ = 4056000.

The previous prime is 4780007. The next prime is 4780033. The reversal of 4780027 is 7200874.

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 4780027 - 219 = 4255739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4779977 and 4780004.

It is not an unprimeable number, because it can be changed into a prime (4780007) 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, 2674 + ... + 4087.

It is an arithmetic number, because the mean of its divisors is an integer number (689724).

Almost surely, 24780027 is an apocalyptic number.

4780027 is a deficient number, since it is larger than the sum of its proper divisors (737765).

4780027 is a wasteful number, since it uses less digits than its factorization.

4780027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6869.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 4780027 is about 2186.3272856551. The cubic root of 4780027 is about 168.4522372234.

The spelling of 4780027 in words is "four million, seven hundred eighty thousand, twenty-seven".

Divisors: 1 7 101 707 6761 47327 682861 4780027