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1071996325 = 52101457929
BaseRepresentation
bin111111111001010…
…101110110100101
32202201011001111121
4333321111312211
54143412340300
6254212333541
735364550501
oct7771256645
92681131447
101071996325
11500128784
1225b0142b1
1314112756a
14a252d301
15641a381a
hex3fe55da5

1071996325 has 24 divisors (see below), whose sum is σ = 1346822280. Its totient is φ = 846336000.

The previous prime is 1071996323. The next prime is 1071996329. The reversal of 1071996325 is 5236991701.

It can be written as a sum of positive squares in 12 ways, for example, as 133125444 + 938870881 = 11538^2 + 30641^2 .

It is not a de Polignac number, because 1071996325 - 21 = 1071996323 is a prime.

It is a super-2 number, since 2×10719963252 = 2298352241627011250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071996323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1153461 + ... + 1154389.

It is an arithmetic number, because the mean of its divisors is an integer number (56117595).

Almost surely, 21071996325 is an apocalyptic number.

It is an amenable number.

1071996325 is a deficient number, since it is larger than the sum of its proper divisors (274825955).

1071996325 is a wasteful number, since it uses less digits than its factorization.

1071996325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 1071996325 is about 32741.3549658532. The cubic root of 1071996325 is about 1023.4448198649. Note that the first 3 decimals are identical.

The spelling of 1071996325 in words is "one billion, seventy-one million, nine hundred ninety-six thousand, three hundred twenty-five".

Divisors: 1 5 25 101 457 505 929 2285 2525 4645 11425 23225 46157 93829 230785 424553 469145 1153925 2122765 2345725 10613825 42879853 214399265 1071996325