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2180296 = 23272537
BaseRepresentation
bin1000010100010011001000
311002202210201
420110103020
51024232141
6114421544
724350356
oct10242310
94082721
102180296
11125a0a8
128918b4
135b4521
1440a7d6
152d1031
hex2144c8

2180296 has 8 divisors (see below), whose sum is σ = 4088070. Its totient is φ = 1090144.

The previous prime is 2180293. The next prime is 2180303. The reversal of 2180296 is 6920812.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1562500 + 617796 = 1250^2 + 786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2180293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136261 + ... + 136276.

22180296 is an apocalyptic number.

It is an amenable number.

2180296 is a deficient number, since it is larger than the sum of its proper divisors (1907774).

2180296 is a wasteful number, since it uses less digits than its factorization.

2180296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272543 (or 272539 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2180296 is about 1476.5825408693. The cubic root of 2180296 is about 129.6696940086.

The spelling of 2180296 in words is "two million, one hundred eighty thousand, two hundred ninety-six".

Divisors: 1 2 4 8 272537 545074 1090148 2180296