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1071072 = 25323719
BaseRepresentation
bin100000101011111100000
32000102020100
410011133200
5233233242
634542400
712050442
oct4053740
92012210
101071072
11671792
12437a00
132b6692
141dc492
1516254c
hex1057e0

1071072 has 36 divisors (see below), whose sum is σ = 3046680. Its totient is φ = 356928.

The previous prime is 1071067. The next prime is 1071121. The reversal of 1071072 is 2701701.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10710722 = 2294390458368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1572 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (84630).

21071072 is an apocalyptic number.

1071072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1071072 is an abundant number, since it is smaller than the sum of its proper divisors (1975608).

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

1071072 is a wasteful number, since it uses less digits than its factorization.

1071072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735 (or 3724 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 1071072 is about 1034.9260843171. The cubic root of 1071072 is about 102.3150581401.

Adding to 1071072 its reverse (2701701), we get a palindrome (3772773).

The spelling of 1071072 in words is "one million, seventy-one thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 3719 7438 11157 14876 22314 29752 33471 44628 59504 66942 89256 119008 133884 178512 267768 357024 535536 1071072