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1672330634 = 21397663097
BaseRepresentation
bin110001110101101…
…1011110110001010
311022112210012100122
41203223123312022
511411104040014
6433535503242
756304401342
oct14353336612
94275705318
101672330634
11788a94837
123a8087b22
1320860c370
1411c161d22
159bc3a58e
hex63adbd8a

1672330634 has 16 divisors (see below), whose sum is σ = 2729311368. Its totient is φ = 763886592.

The previous prime is 1672330607. The next prime is 1672330637. The reversal of 1672330634 is 4360332761.

It can be written as a sum of positive squares in 4 ways, for example, as 1076824225 + 595506409 = 32815^2 + 24403^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1672330594 and 1672330603.

It is not an unprimeable number, because it can be changed into a prime (1672330637) 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, 329027 + ... + 334070.

Almost surely, 21672330634 is an apocalyptic number.

1672330634 is a deficient number, since it is larger than the sum of its proper divisors (1056980734).

1672330634 is a wasteful number, since it uses less digits than its factorization.

1672330634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663209.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 1672330634 is about 40894.1393600599. The cubic root of 1672330634 is about 1186.9726581015.

The spelling of 1672330634 in words is "one billion, six hundred seventy-two million, three hundred thirty thousand, six hundred thirty-four".

Divisors: 1 2 13 26 97 194 1261 2522 663097 1326194 8620261 17240522 64320409 128640818 836165317 1672330634