Search a number
-
+
7442898 = 231240483
BaseRepresentation
bin11100011001000111010010
3112000010201220
4130121013102
53401133043
6423305510
7120156261
oct34310722
915003656
107442898
114223a61
1225ab296
1317079a8
14dba5d8
159c0483
hex7191d2

7442898 has 8 divisors (see below), whose sum is σ = 14885808. Its totient is φ = 2480964.

The previous prime is 7442893. The next prime is 7442917. The reversal of 7442898 is 8982447.

It is a sphenic number, since it is the product of 3 distinct primes.

7442898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (7442893) 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 3 ways as a sum of consecutive naturals, for example, 620236 + ... + 620247.

It is an arithmetic number, because the mean of its divisors is an integer number (1860726).

Almost surely, 27442898 is an apocalyptic number.

7442898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7442898 is a wasteful number, since it uses less digits than its factorization.

7442898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240488.

The product of its digits is 129024, while the sum is 42.

The square root of 7442898 is about 2728.1675168508. The cubic root of 7442898 is about 195.2453453565.

The spelling of 7442898 in words is "seven million, four hundred forty-two thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 1240483 2480966 3721449 7442898