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2148045 = 35197537
BaseRepresentation
bin1000001100011011001101
311001010120020
420030123031
51022214140
6114012353
724154344
oct10143315
94033506
102148045
111237949
128770b9
135a2943
143dcb5b
152c66d0
hex20c6cd

2148045 has 16 divisors (see below), whose sum is σ = 3618240. Its totient is φ = 1085184.

The previous prime is 2148043. The next prime is 2148049. The reversal of 2148045 is 5408412.

It is not a de Polignac number, because 2148045 - 21 = 2148043 is a prime.

It is a super-2 number, since 2×21480452 = 9228194644050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3484 + ... + 4053.

It is an arithmetic number, because the mean of its divisors is an integer number (226140).

22148045 is an apocalyptic number.

It is an amenable number.

2148045 is a deficient number, since it is larger than the sum of its proper divisors (1470195).

2148045 is a wasteful number, since it uses less digits than its factorization.

2148045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7564.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2148045 is about 1465.6210287793. The cubic root of 2148045 is about 129.0271561121.

The spelling of 2148045 in words is "two million, one hundred forty-eight thousand, forty-five".

Divisors: 1 3 5 15 19 57 95 285 7537 22611 37685 113055 143203 429609 716015 2148045