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23469030 = 23251321543
BaseRepresentation
bin101100110000…
…1101111100110
31122011100110100
41121201233212
522002002110
62155004530
7403324554
oct131415746
948140410
1023469030
111227a6a2
127a39746
134b29400
14318cbd4
1520d8bc0
hex1661be6

23469030 has 72 divisors (see below), whose sum is σ = 66117168. Its totient is φ = 5773248.

The previous prime is 23469029. The next prime is 23469031. The reversal of 23469030 is 3096432.

It is an interprime number because it is at equal distance from previous prime (23469029) and next prime (23469031).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23468985 and 23469003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23469031) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14439 + ... + 15981.

It is an arithmetic number, because the mean of its divisors is an integer number (918294).

Almost surely, 223469030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23469030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33058584).

23469030 is an abundant number, since it is smaller than the sum of its proper divisors (42648138).

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

23469030 is a wasteful number, since it uses less digits than its factorization.

23469030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 23469030 is about 4844.4844926989. The cubic root of 23469030 is about 286.3068332327.

The spelling of 23469030 in words is "twenty-three million, four hundred sixty-nine thousand, thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 169 195 234 338 390 507 585 845 1014 1170 1521 1543 1690 2535 3042 3086 4629 5070 7605 7715 9258 13887 15210 15430 20059 23145 27774 40118 46290 60177 69435 100295 120354 138870 180531 200590 260767 300885 361062 521534 601770 782301 902655 1303835 1564602 1805310 2346903 2607670 3911505 4693806 7823010 11734515 23469030