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1071996 = 223157569
BaseRepresentation
bin100000101101101111100
32000110111120
410011231330
5233300441
634550540
712053232
oct4055574
92013446
101071996
11672452
12438450
132b6c23
141dc952
15162966
hex105b7c

1071996 has 24 divisors (see below), whose sum is σ = 2521680. Its totient is φ = 354432.

The previous prime is 1071991. The next prime is 1072009. The reversal of 1071996 is 6991701.

It is a super-2 number, since 2×10719962 = 2298350848032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (105070).

21071996 is an apocalyptic number.

It is an amenable number.

1071996 is an abundant number, since it is smaller than the sum of its proper divisors (1449684).

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

1071996 is a wasteful number, since it uses less digits than its factorization.

1071996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1071996 is about 1035.3723967733. The cubic root of 1071996 is about 102.3444716438.

The spelling of 1071996 in words is "one million, seventy-one thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 157 314 471 569 628 942 1138 1707 1884 2276 3414 6828 89333 178666 267999 357332 535998 1071996