Search a number
-
+
1912164 = 223159347
BaseRepresentation
bin111010010110101100100
310121010222220
413102311210
5442142124
6104552340
722152552
oct7226544
93533886
101912164
111096701
127826b0
1351c477
1437abd2
1527b879
hex1d2d64

1912164 has 12 divisors (see below), whose sum is σ = 4461744. Its totient is φ = 637384.

The previous prime is 1912159. The next prime is 1912193. The reversal of 1912164 is 4612191.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79662 + ... + 79685.

It is an arithmetic number, because the mean of its divisors is an integer number (371812).

21912164 is an apocalyptic number.

It is an amenable number.

1912164 is an abundant number, since it is smaller than the sum of its proper divisors (2549580).

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

1912164 is a wasteful number, since it uses less digits than its factorization.

1912164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159354 (or 159352 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 1912164 is about 1382.8101822014. The cubic root of 1912164 is about 124.1199844533.

The spelling of 1912164 in words is "one million, nine hundred twelve thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 159347 318694 478041 637388 956082 1912164