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1682451942 = 23280408657
BaseRepresentation
bin110010001001000…
…0010110111100110
311100020211102011220
41210102002313212
511421201430232
6434540441210
756456414463
oct14422026746
94306742156
101682451942
11793778056
123ab549206
1320a7441c2
1411d63866a
159ca8942c
hex64482de6

1682451942 has 8 divisors (see below), whose sum is σ = 3364903896. Its totient is φ = 560817312.

The previous prime is 1682451923. The next prime is 1682451949. The reversal of 1682451942 is 2491542861.

It is a sphenic number, since it is the product of 3 distinct primes.

1682451942 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1682451894 and 1682451903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682451949) 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, 140204323 + ... + 140204334.

It is an arithmetic number, because the mean of its divisors is an integer number (420612987).

Almost surely, 21682451942 is an apocalyptic number.

1682451942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1682451942 is a wasteful number, since it uses less digits than its factorization.

1682451942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280408662.

The product of its digits is 138240, while the sum is 42.

The square root of 1682451942 is about 41017.7027879427. The cubic root of 1682451942 is about 1189.3624487809.

The spelling of 1682451942 in words is "one billion, six hundred eighty-two million, four hundred fifty-one thousand, nine hundred forty-two".

Divisors: 1 2 3 6 280408657 560817314 841225971 1682451942