Search a number
-
+
2153567 = 13212743
BaseRepresentation
bin1000001101110001011111
311001102010202
420031301133
51022403232
6114054115
724206423
oct10156137
94042122
102153567
111241009
1287a33b
135a5300
14400b83
152c8162
hex20dc5f

2153567 has 6 divisors (see below), whose sum is σ = 2332152. Its totient is φ = 1987752.

The previous prime is 2153563. The next prime is 2153621. The reversal of 2153567 is 7653512.

It is not a de Polignac number, because 2153567 - 22 = 2153563 is a prime.

It is a d-powerful number, because it can be written as 215 + 1 + 55 + 35 + 59 + 66 + 76 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6203 + ... + 6540.

It is an arithmetic number, because the mean of its divisors is an integer number (388692).

22153567 is an apocalyptic number.

2153567 is a deficient number, since it is larger than the sum of its proper divisors (178585).

2153567 is a wasteful number, since it uses less digits than its factorization.

2153567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769 (or 12756 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 2153567 is about 1467.5036626871. The cubic root of 2153567 is about 129.1376252896.

Subtracting 2153567 from its reverse (7653512), we obtain a palindrome (5499945).

The spelling of 2153567 in words is "two million, one hundred fifty-three thousand, five hundred sixty-seven".

Divisors: 1 13 169 12743 165659 2153567