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2190032 = 241310529
BaseRepresentation
bin1000010110101011010000
311010021011022
420112223100
51030040112
6114535012
724420635
oct10265320
94107138
102190032
111266449
12897468
135b8aa0
1441018c
152d3d72
hex216ad0

2190032 has 20 divisors (see below), whose sum is σ = 4570020. Its totient is φ = 1010688.

The previous prime is 2190031. The next prime is 2190043. The reversal of 2190032 is 2300912.

It can be written as a sum of positive squares in 2 ways, for example, as 1032256 + 1157776 = 1016^2 + 1076^2 .

It is a super-2 number, since 2×21900322 = 9592480322048, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190031) 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, 5057 + ... + 5472.

It is an arithmetic number, because the mean of its divisors is an integer number (228501).

22190032 is an apocalyptic number.

It is an amenable number.

2190032 is an abundant number, since it is smaller than the sum of its proper divisors (2379988).

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

2190032 is a wasteful number, since it uses less digits than its factorization.

2190032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550 (or 10544 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2190032 is about 1479.8756704534. The cubic root of 2190032 is about 129.8624185489.

Adding to 2190032 its reverse (2300912), we get a palindrome (4490944).

The spelling of 2190032 in words is "two million, one hundred ninety thousand, thirty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 10529 21058 42116 84232 136877 168464 273754 547508 1095016 2190032