Search a number
-
+
2153272 = 231124469
BaseRepresentation
bin1000001101101100111000
311001101201211
420031230320
51022401042
6114052504
724205522
oct10155470
94041654
102153272
111240870
1287a134
135a5134
14400a12
152c8017
hex20db38

2153272 has 16 divisors (see below), whose sum is σ = 4404600. Its totient is φ = 978720.

The previous prime is 2153267. The next prime is 2153273. The reversal of 2153272 is 2723512.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153273) 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, 12147 + ... + 12322.

22153272 is an apocalyptic number.

2153272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2153272 is an abundant number, since it is smaller than the sum of its proper divisors (2251328).

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

2153272 is a wasteful number, since it uses less digits than its factorization.

2153272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24486 (or 24482 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 2153272 is about 1467.4031484224. The cubic root of 2153272 is about 129.1317285086.

Adding to 2153272 its reverse (2723512), we get a palindrome (4876784).

The spelling of 2153272 in words is "two million, one hundred fifty-three thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 24469 48938 97876 195752 269159 538318 1076636 2153272