Search a number
-
+
2155024 = 243672
BaseRepresentation
bin1000001110001000010000
311001111010201
420032020100
51022430044
6114104544
724213604
oct10161020
94044121
102155024
111242113
1287b154
135a5b81
14401504
152c87d4
hex20e210

2155024 has 15 divisors (see below), whose sum is σ = 4186767. Its totient is φ = 1074576.

The previous prime is 2155009. The next prime is 2155057. The reversal of 2155024 is 4205512.

The square root of 2155024 is 1468.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2154992 and 2155010.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5689 + ... + 6055.

22155024 is an apocalyptic number.

2155024 is the 1468-th square number.

It is an amenable number.

2155024 is a deficient number, since it is larger than the sum of its proper divisors (2031743).

2155024 is an frugal number, since it uses more digits than its factorization.

2155024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The cubic root of 2155024 is about 129.1667414961.

Multiplying 2155024 by its product of nonzero digits (400), we get a square (862009600 = 293602).

The spelling of 2155024 in words is "two million, one hundred fifty-five thousand, twenty-four".

Divisors: 1 2 4 8 16 367 734 1468 2936 5872 134689 269378 538756 1077512 2155024