Search a number
-
+
3055620 = 2235127401
BaseRepresentation
bin1011101010000000000100
312202020112010
423222000010
51240234440
6145254220
734654341
oct13520004
95666463
103055620
1117a7807
121034370
1382ca79
145977c8
15405580
hex2ea004

3055620 has 48 divisors (see below), whose sum is σ = 8644608. Its totient is φ = 806400.

The previous prime is 3055603. The next prime is 3055621. The reversal of 3055620 is 265503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3055621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7420 + ... + 7820.

It is an arithmetic number, because the mean of its divisors is an integer number (180096).

Almost surely, 23055620 is an apocalyptic number.

3055620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3055620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4322304).

3055620 is an abundant number, since it is smaller than the sum of its proper divisors (5588988).

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

3055620 is a wasteful number, since it uses less digits than its factorization.

3055620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 3055620 is about 1748.0331804631. The cubic root of 3055620 is about 145.1108150116.

The spelling of 3055620 in words is "three million, fifty-five thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 127 254 381 401 508 635 762 802 1203 1270 1524 1604 1905 2005 2406 2540 3810 4010 4812 6015 7620 8020 12030 24060 50927 101854 152781 203708 254635 305562 509270 611124 763905 1018540 1527810 3055620