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670408441 = 1515937487
BaseRepresentation
bin100111111101011…
…001111011111001
31201201111021111021
4213331121323321
52333111032231
6150305102441
722420243363
oct4775317371
91651437437
10670408441
1131447886a
12168627a21
13a8b7b2b1
1465073d33
153dcc9811
hex27f59ef9

670408441 has 8 divisors (see below), whose sum is σ = 676076544. Its totient is φ = 664756800.

The previous prime is 670408429. The next prime is 670408451. The reversal of 670408441 is 144804076.

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

It is a cyclic number.

It is not a de Polignac number, because 670408441 - 29 = 670407929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670408397 and 670408406.

It is not an unprimeable number, because it can be changed into a prime (670408451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85800 + ... + 93286.

It is an arithmetic number, because the mean of its divisors is an integer number (84509568).

Almost surely, 2670408441 is an apocalyptic number.

It is an amenable number.

670408441 is a deficient number, since it is larger than the sum of its proper divisors (5668103).

670408441 is a wasteful number, since it uses less digits than its factorization.

670408441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 670408441 is about 25892.2467352681. The cubic root of 670408441 is about 875.2117869930.

The spelling of 670408441 in words is "six hundred seventy million, four hundred eight thousand, four hundred forty-one".

Divisors: 1 151 593 7487 89543 1130537 4439791 670408441