Base | Representation |
---|---|
bin | 101001001010011… |
… | …011100001011110 |
3 | 1210010111010010220 |
4 | 221022123201132 |
5 | 2403243200110 |
6 | 152305542210 |
7 | 23054001111 |
oct | 5112334136 |
9 | 1703433126 |
10 | 690600030 |
11 | 32490a02a |
12 | 173344966 |
13 | b00ca993 |
14 | 67a0c578 |
15 | 40967370 |
hex | 2929b85e |
690600030 has 64 divisors (see below), whose sum is σ = 1755613440. Its totient is φ = 173373696.
The previous prime is 690600019. The next prime is 690600041. The reversal of 690600030 is 30006096.
690600030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
690600030 is a nontrivial binomial coefficient, being equal to C(37165, 2).
It is an interprime number because it is at equal distance from previous prime (690600019) and next prime (690600041).
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, 89194 + ... + 96626.
It is an arithmetic number, because the mean of its divisors is an integer number (27431460).
Almost surely, 2690600030 is an apocalyptic number.
690600030 is the 37164-th triangular number.
It is a practical number, because each smaller number is the sum of distinct divisors of 690600030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877806720).
690600030 is an abundant number, since it is smaller than the sum of its proper divisors (1065013410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
690600030 is a wasteful number, since it uses less digits than its factorization.
690600030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7625.
The product of its (nonzero) digits is 972, while the sum is 24.
The square root of 690600030 is about 26279.2699670291. The cubic root of 690600030 is about 883.9116628899.
The spelling of 690600030 in words is "six hundred ninety million, six hundred thousand, thirty".
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