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2748138 = 233712379
BaseRepresentation
bin1010011110111011101010
312011121201220
422132323222
51200420023
6134522510
732234031
oct12367352
95147656
102748138
111607798
12b06436
13752b23
14517718
153943e3
hex29eeea

2748138 has 16 divisors (see below), whose sum is σ = 5645280. Its totient is φ = 891216.

The previous prime is 2748133. The next prime is 2748149. The reversal of 2748138 is 8318472.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2748099 and 2748108.

It is not an unprimeable number, because it can be changed into a prime (2748131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5968 + ... + 6411.

It is an arithmetic number, because the mean of its divisors is an integer number (352830).

22748138 is an apocalyptic number.

2748138 is an abundant number, since it is smaller than the sum of its proper divisors (2897142).

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

2748138 is a wasteful number, since it uses less digits than its factorization.

2748138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12421.

The product of its digits is 10752, while the sum is 33.

The square root of 2748138 is about 1657.7508859898. The cubic root of 2748138 is about 140.0703388041.

The spelling of 2748138 in words is "two million, seven hundred forty-eight thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 37 74 111 222 12379 24758 37137 74274 458023 916046 1374069 2748138