Search a number
-
+
7940141 = 112211311
BaseRepresentation
bin11110010010100000101101
3112221101211022
4132102200231
54013041031
6442103525
7124330046
oct36224055
915841738
107940141
114533600
1227aaba5
131850111
1410a98cd
15a6c97b
hex79282d

7940141 has 12 divisors (see below), whose sum is σ = 8797152. Its totient is φ = 7161000.

The previous prime is 7940087. The next prime is 7940147. The reversal of 7940141 is 1410497.

It is not a de Polignac number, because 7940141 - 26 = 7940077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7940141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940147) 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 11 ways as a sum of consecutive naturals, for example, 25376 + ... + 25686.

It is an arithmetic number, because the mean of its divisors is an integer number (733096).

Almost surely, 27940141 is an apocalyptic number.

It is an amenable number.

7940141 is a deficient number, since it is larger than the sum of its proper divisors (857011).

7940141 is a wasteful number, since it uses less digits than its factorization.

7940141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 7940141 is about 2817.8255801238. The cubic root of 7940141 is about 199.4999256705.

The spelling of 7940141 in words is "seven million, nine hundred forty thousand, one hundred forty-one".

Divisors: 1 11 121 211 311 2321 3421 25531 37631 65621 721831 7940141