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7422147040 = 2557111035849
BaseRepresentation
bin1101110100110010…
…01111100111100000
3201011021002010122211
412322121033213200
5110200032201130
63224254211504
7351633131440
oct67231174740
921137063584
107422147040
113169676a20
1215317b3b94
139138ccca9
14505a48120
152d6904a2a
hex1ba64f9e0

7422147040 has 192 divisors, whose sum is σ = 22077619200. Its totient is φ = 2290544640.

The previous prime is 7422147037. The next prime is 7422147067. The reversal of 7422147040 is 407412247.

It is a junction number, because it is equal to n+sod(n) for n = 7422146993 and 7422147011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1266036 + ... + 1271884.

It is an arithmetic number, because the mean of its divisors is an integer number (114987600).

Almost surely, 27422147040 is an apocalyptic number.

7422147040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7422147040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11038809600).

7422147040 is an abundant number, since it is smaller than the sum of its proper divisors (14655472160).

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

7422147040 is a wasteful number, since it uses less digits than its factorization.

7422147040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5985 (or 5977 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 7422147040 is about 86151.8835545689. The cubic root of 7422147040 is about 1950.6372705655.

Adding to 7422147040 its reverse (407412247), we get a palindrome (7829559287).

The spelling of 7422147040 in words is "seven billion, four hundred twenty-two million, one hundred forty-seven thousand, forty".