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1672374901 = 10939172
BaseRepresentation
bin110001110101110…
…0110101001110101
311022112212110002011
41203223212221311
511411111444101
6433540444221
756304644401
oct14353465165
94275773064
101672374901
1178901501a
123a80a9671
13208626562
1411c174101
159bc48751
hex63ae6a75

1672374901 has 6 divisors (see below), whose sum is σ = 1688148770. Its totient is φ = 1656608976.

The previous prime is 1672374859. The next prime is 1672374923. The reversal of 1672374901 is 1094732761.

It can be written as a sum of positive squares in 3 ways, for example, as 907575876 + 764799025 = 30126^2 + 27655^2 .

It is not a de Polignac number, because 1672374901 - 211 = 1672372853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672374941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 424995 + ... + 428911.

Almost surely, 21672374901 is an apocalyptic number.

It is an amenable number.

1672374901 is a deficient number, since it is larger than the sum of its proper divisors (15773869).

1672374901 is an frugal number, since it uses more digits than its factorization.

1672374901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7943 (or 4026 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 1672374901 is about 40894.6805954026. The cubic root of 1672374901 is about 1186.9831311611.

The spelling of 1672374901 in words is "one billion, six hundred seventy-two million, three hundred seventy-four thousand, nine hundred one".

Divisors: 1 109 3917 426953 15342889 1672374901