Search a number
-
+
8057550 = 235253717
BaseRepresentation
bin11110101111001011001110
3120011100212210
4132233023032
54030320200
6444411250
7125326254
oct36571316
916140783
108057550
114603836
122846b26
1318916a7
1410da5d4
15a92650
hex7af2ce

8057550 has 24 divisors (see below), whose sum is σ = 19983096. Its totient is φ = 2148640.

The previous prime is 8057549. The next prime is 8057561. The reversal of 8057550 is 557508.

It is a happy number.

It is a super-2 number, since 2×80575502 = 129848224005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26709 + ... + 27008.

It is an arithmetic number, because the mean of its divisors is an integer number (832629).

Almost surely, 28057550 is an apocalyptic number.

8057550 is an abundant number, since it is smaller than the sum of its proper divisors (11925546).

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

8057550 is a wasteful number, since it uses less digits than its factorization.

8057550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53732 (or 53727 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 8057550 is about 2838.5823926742. The cubic root of 8057550 is about 200.4784379065.

It can be divided in two parts, 80 and 57550, that added together give a triangular number (57630 = T339).

The spelling of 8057550 in words is "eight million, fifty-seven thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 53717 107434 161151 268585 322302 537170 805755 1342925 1611510 2685850 4028775 8057550