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2145152 = 2716759
BaseRepresentation
bin1000001011101110000000
311000222121002
420023232000
51022121102
6113551132
724143042
oct10135600
94028532
102145152
111235759
128754a8
135a1529
143dba92
152c5902
hex20bb80

2145152 has 16 divisors (see below), whose sum is σ = 4273800. Its totient is φ = 1072512.

The previous prime is 2145151. The next prime is 2145163. The reversal of 2145152 is 2515412.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8252 + ... + 8507.

22145152 is an apocalyptic number.

It is an amenable number.

2145152 is a deficient number, since it is larger than the sum of its proper divisors (2128648).

2145152 is an equidigital number, since it uses as much as digits as its factorization.

2145152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16773 (or 16761 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 2145152 is about 1464.6337426128. The cubic root of 2145152 is about 128.9692052367.

The spelling of 2145152 in words is "two million, one hundred forty-five thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 128 16759 33518 67036 134072 268144 536288 1072576 2145152