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2162630 = 25216263
BaseRepresentation
bin1000001111111111000110
311001212120102
420033333012
51023201010
6114204102
724245021
oct10177706
94055512
102162630
1112478a8
12883632
135a9482
144041b8
152caba5
hex20ffc6

2162630 has 8 divisors (see below), whose sum is σ = 3892752. Its totient is φ = 865048.

The previous prime is 2162623. The next prime is 2162639. The reversal of 2162630 is 362612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108122 + ... + 108141.

It is an arithmetic number, because the mean of its divisors is an integer number (486594).

22162630 is an apocalyptic number.

2162630 is a deficient number, since it is larger than the sum of its proper divisors (1730122).

2162630 is a wasteful number, since it uses less digits than its factorization.

2162630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216270.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2162630 is about 1470.5883176471. The cubic root of 2162630 is about 129.3185245972.

The spelling of 2162630 in words is "two million, one hundred sixty-two thousand, six hundred thirty".

Divisors: 1 2 5 10 216263 432526 1081315 2162630