Search a number
-
+
2231652 = 223185971
BaseRepresentation
bin1000100000110101100100
311012101020210
420200311210
51032403102
6115455420
724653163
oct10406544
94171223
102231652
111294745
128b7570
13601a07
144213da
152e136c
hex220d64

2231652 has 12 divisors (see below), whose sum is σ = 5207216. Its totient is φ = 743880.

The previous prime is 2231627. The next prime is 2231653. The reversal of 2231652 is 2561322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×22316523 = 33342692863842719424, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231653) 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, 92974 + ... + 92997.

22231652 is an apocalyptic number.

It is an amenable number.

2231652 is an abundant number, since it is smaller than the sum of its proper divisors (2975564).

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

2231652 is a wasteful number, since it uses less digits than its factorization.

2231652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185978 (or 185976 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 2231652 is about 1493.8714804159. The cubic root of 2231652 is about 130.6799092275.

Adding to 2231652 its reverse (2561322), we get a palindrome (4792974).

The spelling of 2231652 in words is "two million, two hundred thirty-one thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 185971 371942 557913 743884 1115826 2231652