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7066290 = 23572111923
BaseRepresentation
bin11010111101001010110010
3111022000010110
4122331022302
53302110130
6411242150
7114030300
oct32751262
914260113
107066290
113a97010
122449356
13160544a
14d1d270
15948ab0
hex6bd2b2

7066290 has 192 divisors, whose sum is σ = 23639040. Its totient is φ = 1330560.

The previous prime is 7066277. The next prime is 7066303. The reversal of 7066290 is 926607.

It is an interprime number because it is at equal distance from previous prime (7066277) and next prime (7066303).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 307219 + ... + 307241.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

Almost surely, 27066290 is an apocalyptic number.

7066290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7066290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11819520).

7066290 is an abundant number, since it is smaller than the sum of its proper divisors (16572750).

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

7066290 is a wasteful number, since it uses less digits than its factorization.

7066290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 7066290 is about 2658.2494239631. The cubic root of 7066290 is about 191.8950707041.

It can be divided in two parts, 706 and 6290, that added together give a palindrome (6996).

The spelling of 7066290 in words is "seven million, sixty-six thousand, two hundred ninety".