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2162090 = 25767461
BaseRepresentation
bin1000001111110110101010
311001211211102
420033312222
51023141330
6114201402
724243320
oct10176652
94054742
102162090
111247457
12883262
135a9158
14403d10
152ca945
hex20fdaa

2162090 has 32 divisors (see below), whose sum is σ = 4523904. Its totient is φ = 728640.

The previous prime is 2162089. The next prime is 2162113. The reversal of 2162090 is 902612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4460 + ... + 4920.

It is an arithmetic number, because the mean of its divisors is an integer number (141372).

22162090 is an apocalyptic number.

2162090 is an abundant number, since it is smaller than the sum of its proper divisors (2361814).

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

2162090 is a wasteful number, since it uses less digits than its factorization.

2162090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2162090 is about 1470.4047061949. The cubic root of 2162090 is about 129.3077602630.

The spelling of 2162090 in words is "two million, one hundred sixty-two thousand, ninety".

Divisors: 1 2 5 7 10 14 35 67 70 134 335 461 469 670 922 938 2305 2345 3227 4610 4690 6454 16135 30887 32270 61774 154435 216209 308870 432418 1081045 2162090