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1007065217 = 1377350841
BaseRepresentation
bin111100000001101…
…001100010000001
32121011222012202202
4330001221202001
54030302041332
6243532522545
733645625124
oct7401514201
92534865682
101007065217
1147750a004
12241320455
13130841ca2
1497a6a3bb
155d629a62
hex3c069881

1007065217 has 4 divisors (see below), whose sum is σ = 1014416196. Its totient is φ = 999714240.

The previous prime is 1007065201. The next prime is 1007065237. The reversal of 1007065217 is 7125607001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 656589376 + 350475841 = 25624^2 + 18721^2 .

It is a cyclic number.

It is not a de Polignac number, because 1007065217 - 24 = 1007065201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1007065217.

It is not an unprimeable number, because it can be changed into a prime (1007065237) 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 3 ways as a sum of consecutive naturals, for example, 3675284 + ... + 3675557.

It is an arithmetic number, because the mean of its divisors is an integer number (253604049).

Almost surely, 21007065217 is an apocalyptic number.

It is an amenable number.

1007065217 is a deficient number, since it is larger than the sum of its proper divisors (7350979).

1007065217 is an equidigital number, since it uses as much as digits as its factorization.

1007065217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7350978.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 1007065217 is about 31734.2908696571. The cubic root of 1007065217 is about 1002.3495476358.

The spelling of 1007065217 in words is "one billion, seven million, sixty-five thousand, two hundred seventeen".

Divisors: 1 137 7350841 1007065217