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1072682090 = 251573971721
BaseRepresentation
bin111111111011111…
…101010001101010
32202202102220012022
4333323331101222
54144101311330
6254235144442
735403435014
oct7773752152
92682386168
101072682090
11500556a27
1225b2a5122
1314130773c
14a266b1b4
156428bae5
hex3fefd46a

1072682090 has 32 divisors (see below), whose sum is σ = 1949152464. Its totient is φ = 425018880.

The previous prime is 1072682071. The next prime is 1072682101. The reversal of 1072682090 is 902862701.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 572309929 + 500372161 = 23923^2 + 22369^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1072682090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622430 + ... + 624150.

Almost surely, 21072682090 is an apocalyptic number.

1072682090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1072682090 is a deficient number, since it is larger than the sum of its proper divisors (876470374).

1072682090 is a wasteful number, since it uses less digits than its factorization.

1072682090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1072682090 is about 32751.8257506356. The cubic root of 1072682090 is about 1023.6630087447.

The spelling of 1072682090 in words is "one billion, seventy-two million, six hundred eighty-two thousand, ninety".

Divisors: 1 2 5 10 157 314 397 785 794 1570 1721 1985 3442 3970 8605 17210 62329 124658 270197 311645 540394 623290 683237 1350985 1366474 2701970 3416185 6832370 107268209 214536418 536341045 1072682090