Base | Representation |
---|---|
bin | 1010101110110… |
… | …11110011111110 |
3 | 20021101221222220 |
4 | 11113123303332 |
5 | 141021414220 |
6 | 12533350210 |
7 | 2142144060 |
oct | 527336376 |
9 | 207357886 |
10 | 90029310 |
11 | 46901398 |
12 | 26198366 |
13 | 158623a7 |
14 | bd57730 |
15 | 7d85540 |
hex | 55dbcfe |
90029310 has 64 divisors (see below), whose sum is σ = 247698432. Its totient is φ = 20514816.
The previous prime is 90029293. The next prime is 90029323. The reversal of 90029310 is 1392009.
It is a happy number.
It is a super-2 number, since 2×900293102 = 16210553318152200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120799 + ... + 121541.
It is an arithmetic number, because the mean of its divisors is an integer number (3870288).
Almost surely, 290029310 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 90029310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123849216).
90029310 is an abundant number, since it is smaller than the sum of its proper divisors (157669122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90029310 is a wasteful number, since it uses less digits than its factorization.
90029310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1337.
The product of its (nonzero) digits is 486, while the sum is 24.
The square root of 90029310 is about 9488.3776273924. The cubic root of 90029310 is about 448.1891175138.
The spelling of 90029310 in words is "ninety million, twenty-nine thousand, three hundred ten".
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