Search a number
-
+
3813942 = 231157787
BaseRepresentation
bin1110100011001000110110
321011202202010
432203020312
51434021232
6213425050
744263236
oct16431066
97152663
103813942
112175520
12133b186
13a36c92
14713cc6
155050cc
hex3a3236

3813942 has 16 divisors (see below), whose sum is σ = 8321472. Its totient is φ = 1155720.

The previous prime is 3813941. The next prime is 3813949. The reversal of 3813942 is 2493183.

3813942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813941) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28828 + ... + 28959.

It is an arithmetic number, because the mean of its divisors is an integer number (520092).

Almost surely, 23813942 is an apocalyptic number.

3813942 is an abundant number, since it is smaller than the sum of its proper divisors (4507530).

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

3813942 is a wasteful number, since it uses less digits than its factorization.

3813942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57803.

The product of its digits is 5184, while the sum is 30.

The square root of 3813942 is about 1952.9316424289. The cubic root of 3813942 is about 156.2396874260.

The spelling of 3813942 in words is "three million, eight hundred thirteen thousand, nine hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 57787 115574 173361 346722 635657 1271314 1906971 3813942