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1672341320 = 235133216041
BaseRepresentation
bin110001110101101…
…1110011101001000
311022112210202000102
41203223132131020
511411104410240
6433540024532
756304444446
oct14353363510
94275722012
101672341320
11788aa1871
123a8092148
132086141a0
1411c165b96
159bc3d815
hex63ade748

1672341320 has 32 divisors (see below), whose sum is σ = 4052212920. Its totient is φ = 617479680.

The previous prime is 1672341311. The next prime is 1672341343. The reversal of 1672341320 is 231432761.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1154232676 + 518108644 = 33974^2 + 22762^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1607501 + ... + 1608540.

Almost surely, 21672341320 is an apocalyptic number.

1672341320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1672341320 is an abundant number, since it is smaller than the sum of its proper divisors (2379871600).

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

1672341320 is a wasteful number, since it uses less digits than its factorization.

1672341320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216065 (or 3216061 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1672341320 is about 40894.2700142697. The cubic root of 1672341320 is about 1186.9751863023.

The spelling of 1672341320 in words is "one billion, six hundred seventy-two million, three hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 3216041 6432082 12864164 16080205 25728328 32160410 41808533 64320820 83617066 128641640 167234132 209042665 334468264 418085330 836170660 1672341320