Search a number
-
+
3919412 = 227219997
BaseRepresentation
bin1110111100111000110100
321101010102102
432330320310
52000410122
6220001232
745212600
oct16747064
97333372
103919412
112237792
121390218
13a72ca3
14740500
15526492
hex3bce34

3919412 has 18 divisors (see below), whose sum is σ = 7979202. Its totient is φ = 1679664.

The previous prime is 3919411. The next prime is 3919417. The reversal of 3919412 is 2149193.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3786916 + 132496 = 1946^2 + 364^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3919411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9803 + ... + 10194.

It is an arithmetic number, because the mean of its divisors is an integer number (443289).

Almost surely, 23919412 is an apocalyptic number.

It is an amenable number.

3919412 is an abundant number, since it is smaller than the sum of its proper divisors (4059790).

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

3919412 is a wasteful number, since it uses less digits than its factorization.

3919412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20015 (or 20006 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 3919412 is about 1979.7504893294. The cubic root of 3919412 is about 157.6668191327. Note that the first 3 decimals are identical.

The spelling of 3919412 in words is "three million, nine hundred nineteen thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 19997 39994 79988 139979 279958 559916 979853 1959706 3919412