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670030371 = 3274447819
BaseRepresentation
bin100111111011111…
…101101000100011
31201200210001212200
4213323331220203
52333011432441
6150253024243
722414110213
oct4773755043
91650701780
10670030371
1131423a80a
12168485083
13a8a7819a
1464db6243
153dc527b6
hex27efda23

670030371 has 6 divisors (see below), whose sum is σ = 967821660. Its totient is φ = 446686908.

The previous prime is 670030357. The next prime is 670030381. The reversal of 670030371 is 173030076.

It is a de Polignac number, because none of the positive numbers 2k-670030371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670030331) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 37223901 + ... + 37223918.

It is an arithmetic number, because the mean of its divisors is an integer number (161303610).

Almost surely, 2670030371 is an apocalyptic number.

670030371 is a deficient number, since it is larger than the sum of its proper divisors (297791289).

670030371 is a wasteful number, since it uses less digits than its factorization.

670030371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74447825 (or 74447822 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 670030371 is about 25884.9448714885. The cubic root of 670030371 is about 875.0472338039.

The spelling of 670030371 in words is "six hundred seventy million, thirty thousand, three hundred seventy-one".

Divisors: 1 3 9 74447819 223343457 670030371