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1670299506 = 23292794417
BaseRepresentation
bin110001110001110…
…1011111101110010
311022101222000011200
41203203223331302
511410044041011
6433424152030
756251211601
oct14343537562
94271860150
101670299506
11787927817
123a7468616
1320807aa05
1411bb93a38
159b988856
hex638ebf72

1670299506 has 12 divisors (see below), whose sum is σ = 3618982302. Its totient is φ = 556766496.

The previous prime is 1670299493. The next prime is 1670299507. The reversal of 1670299506 is 6059920761.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1583642025 + 86657481 = 39795^2 + 9309^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1670299507) 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, 46397191 + ... + 46397226.

Almost surely, 21670299506 is an apocalyptic number.

1670299506 is an abundant number, since it is smaller than the sum of its proper divisors (1948682796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1670299506 is a wasteful number, since it uses less digits than its factorization.

1670299506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92794425 (or 92794422 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 1670299506 is about 40869.2978407998. The cubic root of 1670299506 is about 1186.4919178179.

The spelling of 1670299506 in words is "one billion, six hundred seventy million, two hundred ninety-nine thousand, five hundred six".

Divisors: 1 2 3 6 9 18 92794417 185588834 278383251 556766502 835149753 1670299506