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1679147020 = 22583957351
BaseRepresentation
bin110010000010101…
…1100000000001100
311100000121111200101
41210011130000030
511414330201040
6434341540444
756416341235
oct14405340014
94300544611
101679147020
11791920011
123aa414724
13209b57b25
1411d01808c
159c63509a
hex6415c00c

1679147020 has 12 divisors (see below), whose sum is σ = 3526208784. Its totient is φ = 671658800.

The previous prime is 1679147017. The next prime is 1679147027. The reversal of 1679147020 is 207419761.

It is not an unprimeable number, because it can be changed into a prime (1679147027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41978656 + ... + 41978695.

It is an arithmetic number, because the mean of its divisors is an integer number (293850732).

Almost surely, 21679147020 is an apocalyptic number.

1679147020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1679147020 is an abundant number, since it is smaller than the sum of its proper divisors (1847061764).

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

1679147020 is a wasteful number, since it uses less digits than its factorization.

1679147020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83957360 (or 83957358 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1679147020 is about 40977.3964521906. The cubic root of 1679147020 is about 1188.5831641695.

The spelling of 1679147020 in words is "one billion, six hundred seventy-nine million, one hundred forty-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 83957351 167914702 335829404 419786755 839573510 1679147020