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1008343445 = 5201668689
BaseRepresentation
bin111100000110100…
…001100110010101
32121021101011011112
4330012201212111
54031113442240
6244020144405
733662530544
oct7406414625
92537334145
101008343445
1147820239a
12241838105
13130b9ba35
1497cc015b
155d7cd665
hex3c1a1995

1008343445 has 4 divisors (see below), whose sum is σ = 1210012140. Its totient is φ = 806674752.

The previous prime is 1008343411. The next prime is 1008343451. The reversal of 1008343445 is 5443438001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5443438001 = 26920235829.

It can be written as a sum of positive squares in 2 ways, for example, as 417221476 + 591121969 = 20426^2 + 24313^2 .

It is a cyclic number.

It is not a de Polignac number, because 1008343445 - 212 = 1008339349 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100834340 + ... + 100834349.

It is an arithmetic number, because the mean of its divisors is an integer number (302503035).

Almost surely, 21008343445 is an apocalyptic number.

It is an amenable number.

1008343445 is a deficient number, since it is larger than the sum of its proper divisors (201668695).

1008343445 is an equidigital number, since it uses as much as digits as its factorization.

1008343445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201668694.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1008343445 is about 31754.4240224886. The cubic root of 1008343445 is about 1002.7734492017.

The spelling of 1008343445 in words is "one billion, eight million, three hundred forty-three thousand, four hundred forty-five".

Divisors: 1 5 201668689 1008343445