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4027660 = 2257132213
BaseRepresentation
bin1111010111010100001100
321120121220121
433113110030
52012341120
6222154324
746143310
oct17272414
97517817
104027660
11230104a
1214229a4
13ab0340
1476bb40
155485aa
hex3d750c

4027660 has 48 divisors (see below), whose sum is σ = 10414656. Its totient is φ = 1274112.

The previous prime is 4027643. The next prime is 4027669. The reversal of 4027660 is 667204.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4027669) 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, 714 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (216972).

Almost surely, 24027660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4027660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5207328).

4027660 is an abundant number, since it is smaller than the sum of its proper divisors (6386996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4027660 is a wasteful number, since it uses less digits than its factorization.

4027660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 4027660 is about 2006.9030868480. The cubic root of 4027660 is about 159.1051609743.

The spelling of 4027660 in words is "four million, twenty-seven thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 2213 4426 8852 11065 15491 22130 28769 30982 44260 57538 61964 77455 115076 143845 154910 201383 287690 309820 402766 575380 805532 1006915 2013830 4027660