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1670740404 = 223433237869
BaseRepresentation
bin110001110010101…
…0111100110110100
311022102210101222020
41203211113212310
511410202143104
6433441433140
756255026164
oct14345274664
94272711866
101670740404
117880a8aa3
123a763b7b0
132081a35b8
1411bc6a5a4
159ba242d9
hex639579b4

1670740404 has 24 divisors (see below), whose sum is σ = 3989055840. Its totient is φ = 543961824.

The previous prime is 1670740403. The next prime is 1670740441. The reversal of 1670740404 is 4040470761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670740403) by changing a digit.

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, 1618419 + ... + 1619450.

It is an arithmetic number, because the mean of its divisors is an integer number (166210660).

Almost surely, 21670740404 is an apocalyptic number.

It is an amenable number.

1670740404 is an abundant number, since it is smaller than the sum of its proper divisors (2318315436).

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

1670740404 is a wasteful number, since it uses less digits than its factorization.

1670740404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237919 (or 3237917 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 1670740404 is about 40874.6914850742. The cubic root of 1670740404 is about 1186.5963054622.

The spelling of 1670740404 in words is "one billion, six hundred seventy million, seven hundred forty thousand, four hundred four".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 3237869 6475738 9713607 12951476 19427214 38854428 139228367 278456734 417685101 556913468 835370202 1670740404