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1072044 = 223297307
BaseRepresentation
bin100000101101110101100
32000110120100
410011232230
5233301134
634551100
712053331
oct4055654
92013510
101072044
11672496
12438490
132b6c5c
141dc988
15162999
hex105bac

1072044 has 36 divisors (see below), whose sum is σ = 2746744. Its totient is φ = 352512.

The previous prime is 1072039. The next prime is 1072103. The reversal of 1072044 is 4402701.

It is a happy number.

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

It is a super-2 number, since 2×10720442 = 2298556675872, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3339 + ... + 3645.

21072044 is an apocalyptic number.

It is an amenable number.

1072044 is an abundant number, since it is smaller than the sum of its proper divisors (1674700).

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

1072044 is a wasteful number, since it uses less digits than its factorization.

1072044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1072044 is about 1035.3955765793. The cubic root of 1072044 is about 102.3459991561.

Adding to 1072044 its reverse (4402701), we get a palindrome (5474745).

The spelling of 1072044 in words is "one million, seventy-two thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 97 194 291 307 388 582 614 873 921 1164 1228 1746 1842 2763 3492 3684 5526 11052 29779 59558 89337 119116 178674 268011 357348 536022 1072044