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1395072 = 27327173
BaseRepresentation
bin101010100100110000000
32121212200100
411110212000
5324120242
645522400
714600160
oct5244600
92555610
101395072
11873158
12573400
1339acb3
142845a0
151c854c
hex154980

1395072 has 96 divisors (see below), whose sum is σ = 4614480. Its totient is φ = 396288.

The previous prime is 1395067. The next prime is 1395073. The reversal of 1395072 is 2705931.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7978 + ... + 8150.

21395072 is an apocalyptic number.

1395072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1395072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2307240).

1395072 is an abundant number, since it is smaller than the sum of its proper divisors (3219408).

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

1395072 is a wasteful number, since it uses less digits than its factorization.

1395072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1395072 is about 1181.1316607390. The cubic root of 1395072 is about 111.7374803926.

The spelling of 1395072 in words is "one million, three hundred ninety-five thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 173 192 224 252 288 336 346 384 448 504 519 576 672 692 896 1008 1038 1152 1211 1344 1384 1557 2016 2076 2422 2688 2768 3114 3633 4032 4152 4844 5536 6228 7266 8064 8304 9688 10899 11072 12456 14532 16608 19376 21798 22144 24912 29064 33216 38752 43596 49824 58128 66432 77504 87192 99648 116256 155008 174384 199296 232512 348768 465024 697536 1395072