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2190036 = 223182503
BaseRepresentation
bin1000010110101011010100
311010021011110
420112223110
51030040121
6114535020
724420642
oct10265324
94107143
102190036
111266452
12897470
135b8aa4
14410192
152d3d76
hex216ad4

2190036 has 12 divisors (see below), whose sum is σ = 5110112. Its totient is φ = 730008.

The previous prime is 2190031. The next prime is 2190043. The reversal of 2190036 is 6300912.

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

It is a junction number, because it is equal to n+sod(n) for n = 2189994 and 2190021.

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, 91240 + ... + 91263.

22190036 is an apocalyptic number.

It is an amenable number.

2190036 is an abundant number, since it is smaller than the sum of its proper divisors (2920076).

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

2190036 is a wasteful number, since it uses less digits than its factorization.

2190036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182510 (or 182508 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2190036 is about 1479.8770219177. The cubic root of 2190036 is about 129.8624976116.

Adding to 2190036 its reverse (6300912), we get a palindrome (8490948).

The spelling of 2190036 in words is "two million, one hundred ninety thousand, thirty-six".

Divisors: 1 2 3 4 6 12 182503 365006 547509 730012 1095018 2190036