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3086420 = 225154321
BaseRepresentation
bin1011110001100001010100
312210210202212
423301201110
51242231140
6150052552
735143211
oct13614124
95723685
103086420
111818967
12104a158
13840aac
145a4b08
1540e765
hex2f1854

3086420 has 12 divisors (see below), whose sum is σ = 6481524. Its totient is φ = 1234560.

The previous prime is 3086407. The next prime is 3086423. The reversal of 3086420 is 246803.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 583696 + 2502724 = 764^2 + 1582^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3086423) 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, 77141 + ... + 77180.

It is an arithmetic number, because the mean of its divisors is an integer number (540127).

Almost surely, 23086420 is an apocalyptic number.

It is an amenable number.

3086420 is an abundant number, since it is smaller than the sum of its proper divisors (3395104).

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

3086420 is a wasteful number, since it uses less digits than its factorization.

3086420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154330 (or 154328 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 3086420 is about 1756.8209925886. The cubic root of 3086420 is about 145.5967480053.

The spelling of 3086420 in words is "three million, eighty-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 154321 308642 617284 771605 1543210 3086420