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69030 = 23251359
BaseRepresentation
bin10000110110100110
310111200200
4100312212
54202110
61251330
7405153
oct206646
9114620
1069030
1147955
1233b46
1325560
141b22a
15156c0
hex10da6

69030 has 48 divisors (see below), whose sum is σ = 196560. Its totient is φ = 16704.

The previous prime is 69029. The next prime is 69031. The reversal of 69030 is 3096.

It is an interprime number because it is at equal distance from previous prime (69029) and next prime (69031).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 68994 and 69012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1141 + ... + 1199.

It is an arithmetic number, because the mean of its divisors is an integer number (4095).

269030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98280).

69030 is an abundant number, since it is smaller than the sum of its proper divisors (127530).

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

69030 is a wasteful number, since it uses less digits than its factorization.

69030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 69030 is about 262.7356085497. The cubic root of 69030 is about 41.0216027342.

The spelling of 69030 in words is "sixty-nine thousand, thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 59 65 78 90 117 118 130 177 195 234 295 354 390 531 585 590 767 885 1062 1170 1534 1770 2301 2655 3835 4602 5310 6903 7670 11505 13806 23010 34515 69030