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1072045970 = 25107204597
BaseRepresentation
bin111111111001100…
…001111110010010
32202201020120121022
4333321201332102
54143420432340
6254213355442
735365145312
oct7771417622
92681216538
101072045970
11500162006
1225b038b82
13141144038
14a2543442
15641b33b5
hex3fe61f92

1072045970 has 8 divisors (see below), whose sum is σ = 1929682764. Its totient is φ = 428818384.

The previous prime is 1072045957. The next prime is 1072045981. The reversal of 1072045970 is 795402701.

It can be written as a sum of positive squares in 2 ways, for example, as 1071318361 + 727609 = 32731^2 + 853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10720459702 = 2298565123586481800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072045970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53602289 + ... + 53602308.

Almost surely, 21072045970 is an apocalyptic number.

1072045970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1072045970 is a deficient number, since it is larger than the sum of its proper divisors (857636794).

1072045970 is a wasteful number, since it uses less digits than its factorization.

1072045970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107204604.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 1072045970 is about 32742.1130961335. The cubic root of 1072045970 is about 1023.4606184681.

The spelling of 1072045970 in words is "one billion, seventy-two million, forty-five thousand, nine hundred seventy".

Divisors: 1 2 5 10 107204597 214409194 536022985 1072045970