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2152790 = 25215279
BaseRepresentation
bin1000001101100101010110
311001101001222
420031211112
51022342130
6114050342
724204233
oct10154526
94041058
102152790
111240472
128799b2
135a4b53
1440078a
152c7ce5
hex20d956

2152790 has 8 divisors (see below), whose sum is σ = 3875040. Its totient is φ = 861112.

The previous prime is 2152789. The next prime is 2152793. The reversal of 2152790 is 972512.

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 (2152793) 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, 107630 + ... + 107649.

It is an arithmetic number, because the mean of its divisors is an integer number (484380).

22152790 is an apocalyptic number.

2152790 is a deficient number, since it is larger than the sum of its proper divisors (1722250).

2152790 is a wasteful number, since it uses less digits than its factorization.

2152790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215286.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2152790 is about 1467.2389035191. The cubic root of 2152790 is about 129.1220926091.

The spelling of 2152790 in words is "two million, one hundred fifty-two thousand, seven hundred ninety".

Divisors: 1 2 5 10 215279 430558 1076395 2152790