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2160630 = 232524007
BaseRepresentation
bin1000001111011111110110
311001202211100
420033133312
51023120010
6114150530
724236133
oct10173766
94052740
102160630
11124634a
12882446
135a85a4
1440358a
152ca2c0
hex20f7f6

2160630 has 24 divisors (see below), whose sum is σ = 5617872. Its totient is φ = 576144.

The previous prime is 2160629. The next prime is 2160671. The reversal of 2160630 is 360612.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11914 + ... + 12093.

It is an arithmetic number, because the mean of its divisors is an integer number (234078).

22160630 is an apocalyptic number.

2160630 is an abundant number, since it is smaller than the sum of its proper divisors (3457242).

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

2160630 is a wasteful number, since it uses less digits than its factorization.

2160630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24020 (or 24017 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2160630 is about 1469.9081603964. The cubic root of 2160630 is about 129.2786477160.

Subtracting from 2160630 its sum of digits (18), we obtain a palindrome (2160612).

The spelling of 2160630 in words is "two million, one hundred sixty thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 24007 48014 72021 120035 144042 216063 240070 360105 432126 720210 1080315 2160630