Base | Representation |
---|---|
bin | 111010110111… |
… | …0100110000110 |
3 | 2011001221022000 |
4 | 1311232212012 |
5 | 30400033302 |
6 | 3021250130 |
7 | 523214544 |
oct | 165564606 |
9 | 64057260 |
10 | 30861702 |
11 | 16469943 |
12 | a403946 |
13 | 6517281 |
14 | 4154d94 |
15 | 2a9931c |
hex | 1d6e986 |
30861702 has 32 divisors (see below), whose sum is σ = 70181760. Its totient is φ = 10047240.
The previous prime is 30861683. The next prime is 30861703. The reversal of 30861702 is 20716803.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30861703) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4324 + ... + 8967.
It is an arithmetic number, because the mean of its divisors is an integer number (2193180).
Almost surely, 230861702 is an apocalyptic number.
30861702 is an abundant number, since it is smaller than the sum of its proper divisors (39320058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30861702 is a wasteful number, since it uses less digits than its factorization.
30861702 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13345 (or 13339 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 30861702 is about 5555.3309532376. The cubic root of 30861702 is about 313.6702218818.
The spelling of 30861702 in words is "thirty million, eight hundred sixty-one thousand, seven hundred two".
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